MHT CET 2026 May 19 Shift 2 PCM Question Paper is available for download here. Maharashtra State CET Cell conducted MHT CET 2026 PCM Exam on May 19 in Shift 2 from 2 PM to 5 PM in CBT mode.

The MHT CET 2026 PCM question paper includes the following:

  • The MHT CET 2026 PCM Question Paper consists of 150 multiple-choice questions (MCQs) totalling 200 marks divided into 3 sections: Physics, Chemistry, and Mathematics, with 50 questions in each subject.
  • Physics and Chemistry questions carry 1 mark each while Mathematics questions carry 2 marks each.
  • There is no negative marking for incorrect answers.

MHT CET 2026 May 19 Shift 2 PCM Question Paper with Solution PDF

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MHT CET 2026 May 19 Shift 2 PCM Questions with Solutions


Physics (Q1 - Q50)

Question 1:

A vector \(\vec{A}\) of magnitude \(7\sqrt{2}\) unit, another vector \(\vec{B}\) of magnitude \(14\) unit are inclined at an angle of \(60^{\circ }\). The magnitude of the scalar product \((\vec{A}\cdot \vec{B})\) is \(\left[\cos (60)^{\circ }=\frac{1}{2}\right]\)

  • (A) \(49\sqrt{2}\)
  • (B) \(7\sqrt{2}\)
  • (C) \(14\sqrt{2}\)
  • (D) \(9\sqrt{2}\)

Question 2:

A wire has mass \((0.4\pm 0.002)\) g, radius \((0.6\pm 0.006)\) mm and length \((8\pm 0.04)\) cm. The percentage error in the measurement of its density is

  • (A) \(2\%\)
  • (B) \(2.55\%\)
  • (C) \(3\%\)
  • (D) \(3.55\%\)

Question 3:

The minute hand of a wall-clock is \(10\) cm long. The average velocity of the tip of the minute hand between \(6.00\) am to \(7.30\) am is

  • (A) zero
  • (B) \(\frac{1}{270}\) cm/s
  • (C) \(\frac{1}{180}\) cm/s
  • (D) \(\frac{1}{90}\) cm/s

Question 4:

A lead bullet moving with velocity '\(v\)' strikes a wall and stops. \(75\%\) of its energy is converted into heat. If the increase in the temperature is \(\frac{v^{2}}{nJs}\), then the value of \(n\) is \(\{s=\text{specific heat of lead},J=\text{mechanical equivalent of heat}\}\)

  • (A) \(\frac{8}{3}\)
  • (B) \(\frac{4}{3}\)
  • (C) \(\frac{3}{8}\)
  • (D) \(\frac{3}{4}\)

Question 5:

A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time \(t\) is proportional to

  • (A) \(t^{1/2}\)
  • (B) \(t^{3/4}\)
  • (C) \(t^{3/2}\)
  • (D) \(t^{2}\)

Question 6:

A ring of mass \(M\) and radius \(R\) is rotating with angular speed \(\omega\) about a fixed vertical axis passing through its centre \(O\) with two point masses each of mass \(\frac{M}{8}\) at rest at \(O\). These masses can move radially outwards along two mass-less rods fixed on the ring as shown in figure. At some instant the angular speed of the system is \(\frac{8\omega }{9}\) and one of the masses is at a distance of \(\frac{3}{5}R\) from point \(O\). At this instant, the distance of the other mass from point \(O\) is

  • (A) \(\frac{2R}{3}\)
  • (B) \(\frac{R}{3}\)
  • (C) \(\frac{3R}{5}\)
  • (D) \(\frac{4R}{5}\)

Question 7:

A uniform rod of length \(l\) is free to rotate in a vertical plane about a fixed horizontal axis through point B. The rod begins rotating from rest, from its unstable equilibrium position. The angular velocity \(\omega\), when it has turned through an angle \(\theta\), is

  • (A) \(\sqrt{\frac{6g}{l}}\cos \frac{\theta }{2}\)
  • (B) \(\sqrt{\frac{6g}{l}}\sin \theta\)
  • (C) \(\sqrt{\frac{6g}{l}}\sin \frac{\theta }{2}\)
  • (D) \(\sqrt{\frac{6g}{l}}\cos \theta\)

Question 8:

Three rings each of mass \(M\) and radius \(R\) are arranged as shown in the figure. The moment of inertia of a system about axis \(YY'\) will be

  • (A) \(\frac{3MR^{2}}{2}\)
  • (B) \(3MR^{2}\)
  • (C) \(\frac{7MR^{2}}{2}\)
  • (D) \(5MR^{2}\)

Question 9:

The minimum energy required to launch a satellite of mass \(m\) from the surface of a planet of mass \(M\) and radius \(R\) in a circular orbit at an altitude of \(3R\) is \(\{G=\text{gravitational constant}\}\)

  • (A) \(\frac{3GMm}{8R}\)
  • (B) \(\frac{5GMm}{4R}\)
  • (C) \(\frac{3GMm}{4R}\)
  • (D) \(\frac{7GMm}{8R}\)

Question 10:

A tiny water droplet falls through the air at a uniform terminal speed of \(1\) cm/s. If \(27\) such identical droplets coalesce to form a single larger drop, what will be the new terminal velocity of the resulting drop, assuming the air remains the same?

  • (A) \(3\) cm/s
  • (B) \(27\) cm/s
  • (C) \(81\) cm/s
  • (D) \(9\) cm/s

Question 11:

Which of the following is NOT TRUE?
a. When soluble substance is dissolved in water, the surface tension of water increases.
b. When sparingly soluble substance is mixed with water, surface tension of water increases.
c. When insoluble impurity is added into the water, surface tension of water decreases.
d. In case of molten copper or molten cadmium, the surface tension increases with increase in its temperature.

  • (A) b
  • (B) c
  • (C) a
  • (D) d

Question 12:

In a hydraulic press, the piston in the small cylinder has a diameter of \(d_{1}\) cm, while the larger piston has a diameter of \(d_{2}\) cm. If a force \(F_{1}\) is applied to the small piston, then the force \(F_{2}\) on the large piston is given by

  • (A) \(F_{2}=\frac{d_{2}^{2}}{d_{1}^{2}}F_{1}\)
  • (B) \(F_{2}=\frac{d_{1}^{2}}{d_{2}^{2}}F_{1}\)
  • (C) \(F_{2}=\frac{d_{2}^{2}}{d_{1}^{2}}\frac{1}{F_{1}}\)
  • (D) \(F_{2}=\frac{d_{1}^{2}}{d_{2}^{2}}\frac{1}{F_{1}}\)

Question 13:

The power radiated by a black body is \(P\) and it radiates maximum energy at wavelength \(\lambda _{o}\). If the temperature of the black body is now changed so that it radiates maximum energy at wavelength \(0.75\lambda _{o}\), the power radiated by it becomes \(nP\). The value \(n\) is

  • (A) \(4/3\)
  • (B) \(256/81\)
  • (C) \(81/256\)
  • (D) \(3/4\)

Question 14:

One mole of diatomic ideal gas undergoes a cyclic process ABC as shown in the figure. The process BC is adiabatic. The temperatures at A, B and C are \(400\) K, \(800\) K and \(600\) K, respectively. The correct statement is

  • (A) The change in internal energy in whole cyclic process is \(250R\)
  • (B) The change in internal energy in the process CA is \(700R\)
  • (C) The change in internal energy in the process AB is \(-350R\)
  • (D) The change in internal energy in the process BC is \(-500R\)

Question 15:

A Carnot engine has an efficiency of \(30\%\). The energy is supplied to the engine at the rate of \(3\) kW. The output power of the engine is

  • (A) \(100\) W
  • (B) \(300\) W
  • (C) \(900\) W
  • (D) \(1200\) W

Question 16:

Heat is supplied to a rigid diatomic gas at constant pressure. The ratio of \(\Delta Q:\Delta U:\Delta W\) is \(\{\Delta Q=\text{heat supplied},\Delta U=\text{change in internal energy},\Delta W=\text{work done during expansion}\}\)

  • (A) \(5:3:2\)
  • (B) \(2:3:5\)
  • (C) \(7:5:2\)
  • (D) \(2:5:7\)

Question 17:

Two identical containers A and B with friction-less pistons contain the same ideal gas at the same temperature and the same volume, \(V\). The mass of gas in A is \(m_{A}\) and that in B is \(m_{B}\). The gas in each cylinder is now allowed to expand isothermally to the same final volume \(2V\). The changes in pressure in A and B are found to be \(\Delta p\) and \(3\Delta p\) respectively. Then

  • (A) \(m_{A}=m_{B}\)
  • (B) \(3m_{A}=2m_{B}\)
  • (C) \(3m_{A}=m_{B}\)
  • (D) \(3m_{A}=4m_{B}\)

Question 18:

A simple pendulum consists of a hollow sphere filled with mercury. As the mercury begins to leak out slowly through a small hole at the bottom, the time period of the pendulum will

  • (A) decrease continuously until the sphere is empty.
  • (B) first increase and then decrease to the original value.
  • (C) remain constant throughout.
  • (D) increase continuously until the sphere is empty.

Question 19:

The total energy of a particle executing SHM is \(E\). If the amplitude is doubled and the frequency is halved, the new total energy will be

  • (A) \(E/4\)
  • (B) \(E\)
  • (C) \(2E\)
  • (D) \(4E\)

Question 20:

A linear harmonic oscillator of force constant \(2\times 10^{6}\) N/m has amplitude \(0.01\) m. Its

  • (A) maximum potential energy is \(100\) J.
  • (B) maximum kinetic energy is \(160\) J.
  • (C) maximum potential energy is \(160\) J.
  • (D) maximum potential energy is zero.

Question 21:

A set of \(8\) tuning forks is arranged in ascending order of frequencies. Each fork produces \(4\) beats with the next one and frequency of last fork is octave of first. The frequency of \(5^{\text{th}}\) fork is

  • (A) \(22\) Hz
  • (B) \(33\) Hz
  • (C) \(44\) Hz
  • (D) \(55\) Hz

Question 22:

A sonometer wire resonates with a given tuning fork, forming standing waves with five antinodes between the two bridges, when a mass of \(9\) kg is suspended from the wire. When this mass is replaced by mass \(M\), the wire resonates with the same tuning fork, forming three antinodes for the same positions of the bridges. The value of \(M\) (in kg) is

  • (A) \(\frac{1}{25}\)
  • (B) \(5\)
  • (C) \(\frac{25}{2}\)
  • (D) \(25\)

Question 23:

A pipe open at both ends has a frequency \(f\) in air. The pipe is dipped vertically in water, so that its \((1/3)\) part of its length is in water. The fundamental frequency of the air column is now \(xf\), the value of \(x\) is

  • (A) \(\frac{1}{2}\)
  • (B) \(\frac{3}{4}\)
  • (C) \(\frac{3}{2}\)
  • (D) \(1\)

Question 24:

A man standing between two parallel cliffs fires a gun. He hear two echos one after \(3\) second and the other after \(5\) second. The separation between the two cliffs is \(1360\) m, the speed of sound is

  • (A) \(320\) m/s
  • (B) \(330\) m/s
  • (C) \(340\) m/s
  • (D) \(350\) m/s

Question 25:

A dipole of electric dipole moment \(\vec{P}\) is placed in an electric field of strength \(\vec{E}\). The angle between \(\vec{P}\) and \(\vec{E}\) for which the potential energy of the electric dipole is maximum, is

  • (A) \(\cos ^{-1}(1)\)
  • (B) \(\cos ^{-1}(-1)\)
  • (C) \(\sin ^{-1}(1)\)
  • (D) \(\sin ^{-1}(-1)\)

Question 26:

Two spheres A and B of radius \(a\) and \(b\) respectively are at the same electric potential. The ratio of the surface charge densities of A to that of B is

  • (A) \(\frac{a^{2}}{b^{2}}\)
  • (B) \(\frac{b^{2}}{a^{2}}\)
  • (C) \(\frac{b}{a}\)
  • (D) \(\frac{a}{b}\)

Question 27:

Three concentric metallic spherical shells of radii \(R\), \(3R\) and \(9R\) are given charges \(Q_{1}\), \(Q_{2}\) and \(Q_{3}\), respectively. It is found that surface charge densities on the outer surfaces of the shells are equal. Then the ratio of charges given to shells \(Q_{1}:Q_{2}:Q_{3}\), is (Neglect the induction effects)

  • (A) \(1:4:16\)
  • (B) \(1:3:9\)
  • (C) \(\frac{1}{3}:3:27\)
  • (D) \(1:\frac{1}{3}:9\)

Question 28:

Four parallel plate capacitors are connected in parallel. Each capacitor has a plate area \(\frac{A}{4}\) and the separation between the plates is \(d\), \(2d\), \(3d\) and \(4d\) respectively. The equivalent capacity of the combination is [\(\varepsilon _{0}=\) permittivity of free space]

  • (A) \(\frac{5A\varepsilon _{0}}{12d}\)
  • (B) \(\frac{7A\varepsilon _{0}}{24d}\)
  • (C) \(\frac{9A\varepsilon _{0}}{36d}\)
  • (D) \(\frac{25A\varepsilon _{0}}{48d}\)

Question 29:

In a potentiometer circuit when two cells of emf \(1.6\) V and \(1.3\) V are connected to assist each other, the balancing length is \(290\) cm. What will be the balancing length in cm when these two cells are connected in opposition?

  • (A) \(70\)
  • (B) \(80\)
  • (C) \(65\)
  • (D) \(30\)

Question 30:

In the circuit shown in the figure, the current through

  • (A) the \(3\Omega\) resistance is \(0.50\) A.
  • (B) the \(3\Omega\) resistance is \(0.25\) A.
  • (C) the \(4\Omega\) resistance is \(0.50\) A.
  • (D) the \(4\Omega\) resistance is \(0.25\) A.

Question 31:

The currents through two thin long parallel wires, A and B carrying \(I\) and \(\frac{I}{3}\) respectively, in the same direction. The distance between two wires is '\(d\)'. The magnitude of force per unit length exerted by wire A on wire B is

  • (A) \(\frac{\mu _{0}I^{2}}{6\pi d}\)
  • (B) \(\frac{\mu _{0}I^{2}}{3\pi d}\)
  • (C) \(\frac{\mu _{0}I}{3\pi d}\)
  • (D) \(\frac{\mu _{0}I}{6\pi d}\)

Question 32:

Consider a circular loop (radius \(R\)) carrying current \(I\), the magnetic field produced by it at a point on the axis at a distance \(z\) from the centre of the loop is \(\frac{xR^{2}}{(z^{2}+R^{2})^{3/2}}\). The value of \(x\) is

  • (A) \(\mu _{0}I\)
  • (B) \(\frac{\mu _{0}I}{4}\)
  • (C) \(\frac{\mu _{0}I}{2}\)
  • (D) \(\frac{\mu _{0}I}{6}\)

Question 33:

Soft iron is used in making an electromagnet because

  • (A) It has low permeability
  • (B) It has high coercivity
  • (C) It has high retentivity
  • (D) It has low retentivity

Question 34:

Two coils of self inductance, \(2\) mH and \(8\) mH are placed so closed together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is,

  • (A) \(16\) mH
  • (B) \(10\) mH
  • (C) \(6\) mH
  • (D) \(4\) mH

Question 35:

Two conducting circular loops of radii \(r_{1}\) and \(r_{2}\) are placed in the same plane with their centres coinciding. If \(r_{1}>>r_{2}\), then the mutual inductance \(M\) between them is proportional to [\(I_{1}=\) current flowing through coil 1 and \(I_{2}=\) current flowing through coil 2]

  • (A) \(\frac{r_{1}}{r_{2}}\)
  • (B) \(\sqrt{\frac{r_{1}^{2}}{r_{2}}}\)
  • (C) \(\frac{r_{2}^{2}}{r_{1}}\)
  • (D) \(\frac{r_{2}}{r_{1}}\)

Question 36:

Two inductors, \(L_{1}\) and \(L_{2}\) are connected in parallel and a time varying current flows as shown in the figure. The ratio of currents \(\frac{I_{2}}{I_{1}}\) at any time, it is

  • (A) \(\frac{L_{2}}{L_{1}}\)
  • (B) \(\frac{L_{1}}{L_{2}}\)
  • (C) \(\frac{L_{1}}{(L_{1}+L_{2})^{2}}\)
  • (D) \(\frac{L_{2}}{(L_{1}+L_{2})^{2}}\)

Question 37:

A \(40\) \(\mu\)F capacitor is charged to \(10\) volts of potential. The battery is disconnected, and a pure \(100\) mH coil is connected across the capacitor so that LC oscillations are set up. Then, the maximum current in the coil is:

  • (A) \(0.25\) A
  • (B) \(0.10\) A
  • (C) \(0.30\) A
  • (D) \(0.20\) A

Question 38:

To reduce the resonant frequency in an L-C-R series circuit with a generator,

  • (A) the iron core of the inductor should be removed and the value of the capacitor is kept constant.
  • (B) the dielectric in the capacitor should be removed and the value of the inductor is kept constant.
  • (C) the generator frequency should be reduced.
  • (D) another capacitor should be added in parallel to the first capacitor and the value of the inductor is kept constant.

Question 39:

The output of step-down transformer is measured to be \(36\) V when connected to \(6\) W light bulb. The value of peak current is

  • (A) \(\frac{1}{\sqrt{2}}A\)
  • (B) \(\frac{1}{2\sqrt{2}}A\)
  • (C) \(\frac{1}{3\sqrt{2}}A\)
  • (D) \(\frac{1}{4\sqrt{2}}A\)

Question 40:

The minimum refractive index of the material of a right-angled isosceles prism as shown in the following figure is

  • (A) \(1\)
  • (B) \(\sqrt{2}\)
  • (C) \(\sqrt{3}\)
  • (D) \(1.5\)

Question 41:

An observer looks at a distant tree of height \(10\) m with a telescope of magnifying power of \(20\). To the observer, the tree appears

  • (A) \(10\) times taller.
  • (B) \(10\) times nearer.
  • (C) \(20\) times nearer.
  • (D) \(20\) times taller.

Question 42:

A ray of light is incident at a glass-water interface at an angle \((i_{1})\), it emerges finally parallel to the surface of water, then the value of the refractive index of glass \((\mu _{g})\) is \(\{\mu _{w}=\text{refractive index of water}=4/3,\,\sin (90)^{\circ }=1,\,\cos (90)^{\circ }=0\}\)

  • (A) \(1\)
  • (B) \(\frac{4}{3}\)
  • (C) \(\frac{1}{\sin (i)}\)
  • (D) \(\frac{4\,\sin (i)}{3}\)

Question 43:

In Young's double slit experiment, the separation between the slits is decreased to \(\left(\frac{1}{3}\right)^{th}\) of its original distance and the distance between the slits and the screen is doubled. The fringe width

  • (A) remains unchanged.
  • (B) becomes \(2\) times the original.
  • (C) becomes \(3\) times the original.
  • (D) becomes \(6\) times the original.

Question 44:

When a metallic surface is illuminated with radiation of wavelength \(\lambda\), the stopping potential is \(V\). If the surface is now illuminated with a radiation of wavelength \(4\lambda\), the stopping potential \(\left(\frac{V}{8}\right)\). The threshold wavelength for the surface is

  • (A) \(\lambda\)
  • (B) \(3\lambda\)
  • (C) \(5\lambda\)
  • (D) \(7\lambda\)

Question 45:

Radiation of wavelength \(\lambda\), is incident on a photocell. The fastest emitted electron has speed \(v\). If the wavelength is changed to \(\frac{3\lambda }{4}\), the speed of the fastest electron will be

  • (A) greater than \(v\left(\frac{4}{3}\right)^{1/2}\)
  • (B) less than \(v\left(\frac{4}{3}\right)^{1/2}\)
  • (C) equal to \(v\left(\frac{4}{3}\right)^{1/2}\)
  • (D) equal to \(v\left(\frac{3}{4}\right)^{1/2}\)

Question 46:

In an alpha decay, the daughter nucleus produced is itself unstable and undergoes further decay. If the number of parent and daughter nuclei at time \(t\) are \(N_{p}\) and \(N_{d}\) respectively and their decay constants are \(\lambda _{p}\) and \(\lambda _{d}\) respectively. What condition needs to be satisfied in order for \(N_{d}\) to remain constant?

  • (A) \(N_{p}N_{d}=\lambda _{d}\lambda _{p}\)
  • (B) \((N_{p})/(N_{d})=(\lambda _{p})/(\lambda _{d})\)
  • (C) \(2N_{p}\lambda _{d}=3N_{d}\lambda _{p}\)
  • (D) \(N_{p}\lambda _{p}=N_{d}\lambda _{d}\)

Question 47:

A radioactive nucleus X with a half-life \(T\), decays into a nucleus Y. At \(t=0\), there is no nucleus Y. After some time '\(t\)', the ratio of the number of Y to that of X is \(0.4\). Then, '\(t\)' is

  • (A) \(T\log (1.4)\)
  • (B) \(\frac{T\log (1.4)}{\log (2)}\)
  • (C) \(\frac{T\log (2)}{2\,\log (1.4)}\)
  • (D) \(\frac{T}{\log (2)}\)

Question 48:

In the energy band diagram of a p-type semiconductor, the "Acceptor Energy Level" is located

  • (A) exactly in the middle of the forbidden gap
  • (B) inside the conduction band
  • (C) just below the conduction band
  • (D) just above the valence band

Question 49:

To use Zener diode of maximum power rating \(1.0\) W as a \(4.0\) V stabilized power supply, the maximum current flowing through Zener diode will

  • (A) \(0.25\) mA
  • (B) \(25\) mA
  • (C) \(250\) mA
  • (D) \(2500\) mA

Question 50:

For the logic circuit given below, for
a) input \(A=0\) and input \(B=1\), and
b) input \(A=1\) and input \(B=1\), the output \(E\) is respectively

  • (A) zero and one.
  • (B) one and zero.
  • (C) zero and zero.
  • (D) one and one.

Chemistry (Q51 - Q100)

Question 51:

The number of protons, electrons and neutrons in \(\text{P}^{3-}\) ion are, respectively

  • (A) \(15,15\) and \(16\).
  • (B) \(16,15\) and \(15\).
  • (C) \(15,18\) and \(16\).
  • (D) \(16,15\) and \(18\).

Question 52:

Calculate the total number of protons, neutrons and electrons in \(1\) mole of \({}^{20}\text{Ne}\)

  • (A) \(6.022\times 10^{23}\)
  • (B) \(1.8066\times 10^{25}\)
  • (C) \(6.022\times 10^{24}\)
  • (D) \(1.2044\times 10^{25}\)

Question 53:

Which is the correct decreasing order for ionic character of halides, where M is a monovalent metal?

  • (A) \(\text{MF}>\text{MCl}>\text{MBr}>\text{MI}\)
  • (B) \(\text{MI}>\text{MBr}>\text{MCl}>\text{MF}\)
  • (C) \(\text{MI}>\text{MCl}>\text{MBr}>\text{MF}\)
  • (D) \(\text{MF}>\text{MBr}>\text{MCl}>\text{MI}\)

Question 54:

What is the shape of a molecule if it has two lone pairs and three bonding pairs of electrons?

  • (A) trigonal planar
  • (B) tetrahedral
  • (C) bent
  • (D) T-shape

Question 55:

What is the value of critical temperature of \(\text{CO}_{2}\) in \({}^{\circ }\)C?

  • (A) \(33.2^{\circ }\text{C}\)
  • (B) \(30.98^{\circ }\text{C}\)
  • (C) \(154.3^{\circ }\text{C}\)
  • (D) \(126.0^{\circ }\text{C}\)

Question 56:

Calulate \(\Delta S_{(total)}\) for following reaction.
\(\text{CH}_{3}\text{OH}_{(l)}+3/2\text{O}_{2(g)}\rightarrow \text{CO}_{2(g)}+2\text{H}_{2}\text{O}_{(l)}\), \(\Delta H=-726\) kJ mol\({}^{-1}\), \(\Delta S_{(system)}=42\) JK\({}^{-1}\)
(both at \(298\) K)

  • (A) \(2.478\) kJ K\({}^{-1}\)
  • (B) \(-2.378\) kJ K\({}^{-1}\)
  • (C) \(39.58\) kJ K\({}^{-1}\)
  • (D) \(44.42\) kJ K\({}^{-1}\)

Question 57:

Evaluate the standard enthalpy of formation of \(\text{C}_{2}\text{H}_{4}\) in kJ/mol from the following data,
\(\text{C}_{2}\text{H}_{4(g)}+3\text{O}_{2(g)}\rightarrow 2\text{CO}_{2(g)}+2\text{H}_{2}\text{O}_{(l)}\) \(\Delta _{r}H^{0}=-1411\) kJ/mol
\(\Delta _{f}H^{0}(\text{CO}_{2})=-393\) kJ/mol
\(\Delta _{f}H^{0}(\text{H}_{2}\text{O})=-285\) kJ/mol

  • (A) \(1195\) kJ/mol
  • (B) \(-1195\) kJ/mol
  • (C) \(55\) kJ/mol
  • (D) \(-52\) kJ/mol

Question 58:

Find the value of \(\Delta _{(sub)}H\) for water if, enthalpy of fusion of water is \(6.0\) kJ mol\({}^{-1}\) and enthalpy of vapourisation is \(45.0\) kJ mol\({}^{-1}\)

  • (A) \(-51.0\) kJ
  • (B) \(-41.0\) kJ
  • (C) \(41.0\) kJ
  • (D) \(51.0\) kJ

Question 59:

What is the pH of a mixture of \(40\) ml of \(0.1\) M \(\text{Ba(HCOO)}_{2}\) and \(20\) ml of \(0.1\) M \(\text{HCOOH}\) solution?
(\(pK_{a}\) for formic acid \(=5\))

  • (A) \(2.8\)
  • (B) \(5.6\)
  • (C) \(8.4\)
  • (D) \(11.2\)

Question 60:

The solubility product of a sparingly soluble salt \(\text{BA}_{2}\) is \(1.08\times 10^{-10}\). Calculate its solubility in g dm\({}^{-3}\) if the molar mass of salt is \(175\) g mol\({}^{-1}\).

  • (A) \(5.25\times 10^{-2}\) g dm\({}^{-3}\).
  • (B) \(1.75\times 10^{-2}\) g dm\({}^{-3}\)
  • (C) \(3.50\times 10^{-2}\) g dm\({}^{-3}\).
  • (D) \(7.00\times 10^{-3}\) g dm\({}^{-3}\).

Question 61:

Which of the following aqueous solutions turns blue litmus red?

  • (A) Aqueous \(\text{NaCl}\)
  • (B) Aqueous \(\text{KCl}\)
  • (C) Aqueous solution of \(\text{CO}_{2}\)
  • (D) Aqueous \(\text{NaOH}\)

Question 62:

What is oxidation number of oxygen in super oxide of a monovalent metal?

  • (A) \(-2\)
  • (B) \(-1/2\)
  • (C) \(-1\)
  • (D) \(-1.5\)

Question 63:

Which of the following is an amphoteric hydroxide?

  • (A) \(\text{Mg(OH)}_{2}\)
  • (B) \(\text{Be(OH)}_{2}\)
  • (C) \(\text{Sr(OH)}_{2}\)
  • (D) \(\text{Ca(OH)}_{2}\)

Question 64:

What is the IUPAC name of \(\text{CH}_{3}\text{-O-CH}_{2}\text{-CH}_{2}\text{-CH}_{3}\)?

  • (A) 1-Methoxy propane
  • (B) 3-Propoxy methane
  • (C) 2-Propoxy methane
  • (D) 3-Methoxy propane

Question 65:

Identify the property of a racemic mixture by the following.

  • (A) Optically active.
  • (B) Optically inactive.
  • (C) Dextrorotatory
  • (D) Laevorotatory

Question 66:

Which of the following is the most stable cation?

  • (A) \(\text{CH}_{3}^{+}\)
  • (B) \(\text{CF}_{3}^{+}\)
  • (C) \((\text{CH}_{3})_{2}\text{CH}^{+}\)
  • (D) \(\text{CF}_{3}\text{-CH}_{2}^{+}\)

Question 67:

Which of the following reagents is used for acetylation of benzene?
(A) \((\text{CH}_{3}\text{CO})_{2}\text{O}\)
(B) \(\text{H}_{2}/\text{Pt}\)
(C) \(\text{CO}/\text{Ni}\)
(D) \(\text{CH}_{3}\text{COCl}\)
Choose the CORRECT option from the following.

  • (A) (A), (B) and (D) only.
  • (B) (A), (B) and (C) only.
  • (C) (A) and (D) only.
  • (D) (B), (C) and (D) only.

Question 68:

Which of the following is NOT a role of green chemistry?

  • (A) To promote innovative chemical technologies not having pollution.
  • (B) To eliminate the use of hazardous chemicals.
  • (C) To protect the ozone layer.
  • (D) Use of volatile solvents like \(\text{CCl}_{4}\).

Question 69:

Which of the following salts does NOT exhibit Frenkel defect?

  • (A) \(\text{NaCl}\)
  • (B) \(\text{AgCl}\)
  • (C) \(\text{CaF}_{2}\)
  • (D) \(\text{ZnS}\)

Question 70:

The unit cell of metal is fcc. Calculate the void volume unit cell if the radius of metal atom is \(127.3\) pm.

  • (A) \(1.2142\times 10^{-23}\) cm\({}^{3}\)
  • (B) \(3.4558\times 10^{-23}\) cm\({}^{3}\)
  • (C) \(2.0221\times 10^{-23}\) cm\({}^{3}\)
  • (D) \(2.4284\times 10^{-23}\) cm\({}^{3}\)

Question 71:

Which of the following is an example of ferromagnetic substance?

  • (A) \(\text{NaCl}\).
  • (B) \(\text{C}_{6}\text{H}_{6}\).
  • (C) \(\text{O}_{2}\).
  • (D) \(\text{Gd}\).

Question 72:

One litre of glucose solution have osmotic pressure \(1.5\) atmosphere is mixed with other \(2\) litre glucose solution of osmotic pressure \(2.5\) atmosphere. Then find resultant osmotic pressure of the solution.

  • (A) \(0.217\) atm
  • (B) \(2.17\) atm
  • (C) \(21.0\) atm
  • (D) \(216\) atm

Question 73:

Addition of \(0.643\) g of compound to \(50\) ml of benzene (density of benzene \(=0.879\) g/ml) lowers the freezing point from \(5.51^{\circ }\text{C}\) to \(5.03^{\circ }\text{C}\). If \(K_{f}\) for benzene is \(5.12\) K kg/mol. Calculate the molecular weight of a compound in gram?

  • (A) \(165\)
  • (B) \(156\)
  • (C) \(137\)
  • (D) \(173\)

Question 74:

Find the solubility of organic compound R-X in water at \(25^{\circ }\text{C}\) and at \(130\) mmHg, if Henry's law constant for that organic compound is \(0.160\) mol L\({}^{-1}\) bar\({}^{-1}\) at that temperature.

  • (A) \(.0152\) M
  • (B) \(0.0276\) M
  • (C) \(0.196\) M
  • (D) \(0.118\) M

Question 75:

What is the molar conductivity of a \(0.5\) mol/dm\({}^{3}\) \(\text{AgNO}_{3}\) solution if electrolytic conductivity of it is \(5.76\times 10^{-3}\) S cm\({}^{-1}\) at \(298\) K?

  • (A) \(2.88\) S cm\({}^{2}\) mol\({}^{-1}\)
  • (B) \(11.52\) S cm\({}^{2}\) mol\({}^{-1}\)
  • (C) \(0.086\) S cm\({}^{2}\) mol\({}^{-1}\)
  • (D) \(28.8\) S cm\({}^{2}\) mol\({}^{-1}\)

Question 76:

For the cell
\(\text{Ni}_{(s)}|\text{Ni}_{(1M)}^{++}||\text{Cu}_{(1M)}^{++}|\text{Cu}_{(s)}\), if the concentration of an ion in the anode compartment is doubled, then the emf of cell will be

  • (A) increased by \(2\) V.
  • (B) decreased by \(2\) V.
  • (C) increased by \(0.00891\) V.
  • (D) decreased by \(0.00891\) V.

Question 77:

Identify the value of \(1\) S cm\({}^{2}\) mol\({}^{-1}\) from following.

  • (A) \(10^{-4}\) S m\({}^{2}\) mol\({}^{-1}\)
  • (B) \(10^{2}\) S m\({}^{2}\) mol\({}^{-1}\)
  • (C) \(10^{-2}\) S m\({}^{2}\) mol\({}^{-1}\)
  • (D) \(10^{4}\) S m\({}^{2}\) mol\({}^{-1}\)

Question 78:

The rate constant for a first order reaction is \(2.2\times 10^{-5}\) s\({}^{-1}\) at \(320^{\circ }\text{C}\). Calculate the time required for \(15\%\) completion?

  • (A) \(639\) S
  • (B) \(7391\) S
  • (C) \(3971\) S
  • (D) \(9371\) S

Question 79:

The rate constants for the first order reaction are \(x\) s\({}^{-1}\) at \(300\) K and \(y\) s\({}^{-1}\) at \(320\) K. Calculate the activation energy of the reaction.
\([R=8.314\) J K\({}^{-1}\) mol\({}^{-1}\) and \(y/x=4]\)

  • (A) \(55.34\) kJ.
  • (B) \(27.67\) kJ.
  • (C) \(83.1\) kJ.
  • (D) \(110.68\) kJ.

Question 80:

For the reaction \(\text{N}_{2}(g)+3\text{H}_{2}(g)\rightarrow 2\text{NH}_{3}(g)\), the rate of reaction is equal to

  • (A) the rate of consumption of \(\text{N}_{2}\).
  • (B) three times the rate of consumption of \(\text{H}_{2}\).
  • (C) two times the rate of consumption of \(\text{NH}_{3}\).
  • (D) two times the rate of consumption of \(\text{N}_{2}\).

Question 81:

Which of the following statements is NOT true regarding oil in water emulsion?

  • (A) The oil is dispersed phase and water is dispersion medium.
  • (B) If water is added, it will be miscible with the emulsion.
  • (C) The addition of a small amount of an electrolyte has no effect on conducting power.
  • (D) Water is a continuous phase.

Question 82:

Which element from following exhibits anomalous behavior with remaining three members?

  • (A) \(\text{F}\)
  • (B) \(\text{Cl}\)
  • (C) \(\text{Br}\)
  • (D) \(\text{I}\)

Question 83:

Why is actinoid contraction more as compared to lanthanoide contraction?

  • (A) The shielding effect of electrons present in 4f and 5f orbitals is equal
  • (B) The azimuthal quantum numbers of 4f and 5f are same
  • (C) Poor shielding is offered by 5f electrons compared to 4f electrons in actinoids.
  • (D) 4f orbitals are more diffused as compared to 5f orbitals

Question 84:

Which of the following elements exhibits only one value of oxidation state?

  • (A) \(\text{Mn}\)
  • (B) \(\text{Fe}\)
  • (C) \(\text{Zn}\)
  • (D) \(\text{W}\)

Question 85:

Identify geometry of \([\text{Ni(Cl)}_{4}]^{2-}\).

  • (A) Square planar
  • (B) Tetrahedral
  • (C) Octahedral
  • (D) Trigonal bipyramidal

Question 86:

Which of the following coordination compounds exhibits linkage isomerism?

  • (A) \([\text{Co(en)}_{3}]\text{Cl}_{3}\)
  • (B) \([\text{Co(en)}_{2}\text{Cl}_{2}]\text{Cl}\)
  • (C) \([\text{Co(en)}_{2}\text{NO}_{2}\text{Cl}]\text{Br}\)
  • (D) \([\text{Co(NH}_{3})_{5}\text{Cl}]\text{Br}_{2}\)

Question 87:

Identify the product obtained when chlorobenzene is treated with acetyl chloride in presence of anhy. \(\text{AlCl}_{3}\).

  • (A) Mixture of 2-Chloroacetophenone and 4-chloroacetophenone.
  • (B) Mixture of 2-Chlorotoluene and 4-Chlorotoluene
  • (C) Mixture of 1, 2-Dichlorobenzene and 1, 4-Dichlorobenzene
  • (D) Acetophenon and \(\text{Cl}_{2}\)

Question 88:

What is the product of following reaction?
\(2\text{CH}_{3}\text{I}+2\text{Na}\rightarrow P\)

  • (A) \(\text{CH}_{3}\text{-CH}_{3}\)
  • (B) \(\text{CH}_{2}=\text{CH}_{2}\)
  • (C) \(\text{CH}_{4}\)
  • (D) \(\text{CH}\equiv \text{CH}\)

Question 89:

Water solubility of alcohol, amines and alkanes of comparable molar mass are in order?

  • (A) Alcohol \(>\) alkane \(>\) amine
  • (B) Amine \(>\) Alcohol \(>\) alkane
  • (C) Alcohol \(>\) amines \(>\) alkanes
  • (D) Alkane \(>\) Alcohol \(>\) amine

Question 90:

Propene reacts with diborane in the presence of THF followed by \(\text{H}_{2}\text{O}_{2}\) in alkaline medium to give compound A. Compound A reacts with phosphorous pentachloride to give compound B. Identify compound B.

  • (A) Propan-1-ol
  • (B) Propan-2-ol
  • (C) 1-chloropropane
  • (D) 2-chloropropane

Question 91:

Which of the following reactions is used to prepare diethyl ether from ethyl chloride?

  • (A) Wurtz reaction
  • (B) Wurtz- fitting reaction
  • (C) Williamson's reaction
  • (D) Reimer- Tiemann reaction

Question 92:

Which of the following compounds is most reactive towards nucleophilic addition reaction?

  • (A)
  • (B)
  • (C) \(\text{C}_{2}\text{H}_{5}\text{-CO-H}\)
  • (D) \(\text{C}_{2}\text{H}_{5}\text{-CO-C}_{2}\text{H}_{5}\)

Question 93:

Identify the pair of ketone having both members as mixed ketones.

  • (A) Benzophenone, acetone
  • (B) Butanone, acetophenone
  • (C) Butanone, acetone
  • (D) Benzophenone, acetophenone

Question 94:

Which of the following compounds reacts with Grignard's reagent and hydrolyzes further to form carboxylic acid?

  • (A) ethanal
  • (B) methanal
  • (C) methyl cyanide
  • (D) carbon dioxide

Question 95:

Identify product P in following reaction.
\(\text{R-NH}_{2}+\text{CHCl}_{3}+3\text{KOH (heat)}\rightarrow P\)

  • (A) \(\text{CH}_{3}\text{-NH-R}\)
  • (B) \(\text{R-NC}\)
  • (C) \((\text{CH}_{3})_{2}\text{N-R}\)
  • (D) \(\text{R-Cl}\)

Question 96:

Which of the following nitrogen bases is absent in RNA?

  • (A) Thymine
  • (B) Cytosine
  • (C) Uracil
  • (D) Adenine

Question 97:

Which from following reactions confirms presence of one carbonyl group in glucose?

  • (A) When glucose is heated with HI for longer time forms n-Hexane.
  • (B) When glucose is heated with hydroxyl amine forms glucose oxime.
  • (C) When glucose is heated with excess acetic Anhydride forms glucose pentaacetate.
  • (D) When glucose is treated with dilute nitric acid forms saccharic acid.

Question 98:

Which of the following is an Omega-3 fatty acid?

  • (A) \(9,12,15\) - octadecatrienoic acid
  • (B) Octadecanoic acid
  • (C) Hexadecanoic acid
  • (D) Octanoic acid

Question 99:

Which of the following polymers belongs elastomers?

  • (A) Polystyrene
  • (B) Polythene
  • (C) Polyvinyls
  • (D) Neoprene

Question 100:

What type of polymers the polycarbonates are?

  • (A) Polyester polymers
  • (B) Polyamide polymers
  • (C) Biodegradable polymers
  • (D) Cross-linked polymers

Mathematics (Q101 - Q150)

Question 101:

The domain of the function \(f(x)=\frac{1}{\sqrt{|x|-x}}\) is

  • (A) \((0,\infty )\)
  • (B) \((-\infty ,0)\)
  • (C) \((-\infty ,\infty )-\{0\}\)
  • (D) \((-\infty ,\infty )\)

Question 102:

If \(|z-5i|=|z+3|\), where \(z\) is a complex number, then the equation of the locus of \(z\) in Cartesian coordinates is ...

  • (A) \(3x+5y-8=0\)
  • (B) \(3x-5y-8=0\)
  • (C) \(-3x+5y-8=0\)
  • (D) \(3x+5y+8=0\)

Question 103:

The equation of the line \(\sqrt{3}x-y+4=0\) in the normal form is _____

  • (A) \(x\cos \frac{\pi }{3}+y\sin \frac{\pi }{3}=2\)
  • (B) \(x\cos \frac{5\pi }{6}+y\sin \frac{5\pi }{6}=2\)
  • (C) \(x\cos \frac{\pi }{6}+y\sin \frac{\pi }{6}=2\)
  • (D) \(x\cos \frac{\pi }{4}+y\sin \frac{\pi }{4}=2\)

Question 104:

If the slopes of the lines given by \(ax^{2}+2hxy+by^{2}=0\) are in the ratio \(2:3\), then \(h^{2}=\)

  • (A) \(\frac{2ab}{3}\)
  • (B) \(\frac{3ab}{2}\)
  • (C) \(\frac{24ab}{25}\)
  • (D) \(\frac{25ab}{24}\)

Question 105:

The maximum number of points of intersection between \(4\) circles and \(4\) straight lines is:

  • (A) \(66\)
  • (B) \(50\)
  • (C) \(32\)
  • (D) \(18\)

Question 106:

The equation of the common tangent to the parabolas \(y^{2}=4x\) and \(x^{2}=32y\) is ...

  • (A) \(x+2y=0\)
  • (B) \(x+2y-4=0\)
  • (C) \(x+2y+4=0\)
  • (D) \(x-2y+4=0\)

Question 107:

The point on the ellipse \(\frac{x^{2}}{25}+\frac{y^{2}}{9}=1\) which is equidistant from its foci can be

  • (A) \((0,3)\)
  • (B) \((5,0)\)
  • (C) \((3,0)\)
  • (D) \((0,5)\)

Question 108:

The value of \(\lim _{x\rightarrow \frac{\pi }{4}}\left[\frac{4-(\cos x+\sin x)^{4}}{1-\sin 2x}\right]\) is equal to

  • (A) \(2\)
  • (B) \(4\)
  • (C) \(6\)
  • (D) \(8\)

Question 109:

The statement pattern \([p\wedge (q\vee r)]\vee [\sim r\wedge \sim q\wedge p]\) is equivalent to _____

  • (A) \(q\vee r\)
  • (B) \(p\vee r\)
  • (C) \(r\)
  • (D) \(p\)

Question 110:

Consider the following statements -
(i) If a person is social, then he is happy.
(ii) If a person is not social, then he is not happy.
(iii) If a person is not happy, then he is not social.
(iv) If a person is happy, then he is social.
Which of the above statements are equivalent?

  • (A) (i) and (iv), (ii) and (iii)
  • (B) (i) and (iii), (ii) and (iv)
  • (C) (i) and (ii), (iii) and (iv)
  • (D) (i) and (iii), (i) and (iv)

Question 111:

The negation of the statement \((p\wedge \sim q)\rightarrow (\sim p\vee r)\) is equivalent to:

  • (A) \((p\wedge \sim q)\wedge (\sim r)\)
  • (B) \((p\vee \sim q)\wedge (p\wedge \sim r)\)
  • (C) \((\sim p\vee q)\vee (p\wedge \sim r)\)
  • (D) \((p\wedge \sim q)\vee (p\wedge \sim r)\)

Question 112:

If \(\sin ^{-1}x+\sin ^{-1}y+\sin ^{-1}z=\pi\), then \(x^{4}+y^{4}+z^{4}+4x^{2}y^{2}z^{2}=\)

  • (A) \(x^{2}y^{2}+x^{2}z^{2}+y^{2}z^{2}\)
  • (B) \(2(x^{2}y^{2}+x^{2}z^{2}+y^{2}z^{2})\)
  • (C) \(3(x^{2}y^{2}+x^{2}z^{2}+y^{2}z^{2})\)
  • (D) \(4(x^{2}y^{2}+x^{2}z^{2}+y^{2}z^{2})\)

Question 113:

If \(\tan ^{-1}\left(\frac{1}{3}\right)+\tan ^{-1}\left(\frac{1}{5}\right)+\tan ^{-1}\left(\frac{1}{7}\right)=\frac{\pi }{4}-\tan ^{-1}\left(\frac{1}{k}\right)\) then the value of \(k\) is

  • (A) \(6\)
  • (B) \(9\)
  • (C) \(4\)
  • (D) \(8\)

Question 114:

The value of \(\cot \left(\operatorname{cosec}^{-1}\frac{5}{3}+\tan ^{-1}\frac{2}{3}\right)\) is ...

  • (A) \(\frac{5}{17}\)
  • (B) \(\frac{3}{17}\)
  • (C) \(\frac{6}{17}\)
  • (D) \(\frac{4}{17}\)

Question 115:

If \(a\) and \(b\) are respectively the minimum and maximum values of the expression \(f(x)=(\sin ^{-1}x+2\cos ^{-1}x)\), then \(a+b\) is equal to...

  • (A) \(\frac{\pi }{2}\)
  • (B) \(\pi\)
  • (C) \(\frac{3\pi }{2}\)
  • (D) \(2\pi\)

Question 116:

\(\sin ^{-1}(\cos (\sin ^{-1}x))+\cos ^{-1}(\sin (\cos ^{-1}x))=\ldots\)

  • (A) \(0\)
  • (B) \(\frac{\pi }{6}\)
  • (C) \(\frac{\pi }{3}\)
  • (D) \(\frac{\pi }{2}\)

Question 117:

If \(A+I=\begin{pmatrix} 3 & -2 \\ 1 & -1 \end{pmatrix}\), then the inverse of the matrix \((A-I)\) is:

  • (A) \(\begin{pmatrix} 1 & -2 \\ 1 & -3 \end{pmatrix}\)
  • (B) \(\begin{pmatrix} 3 & -2 \\ 1 & -1 \end{pmatrix}\)
  • (C) \(\begin{pmatrix} -3 & 2 \\ -1 & 1 \end{pmatrix}\)
  • (D) \(\begin{pmatrix} -3 & 2 \\ -1 & -1 \end{pmatrix}\)

Question 118:

The sum of the matrix \(\begin{bmatrix} 2 & -3 \\ 5 & -7 \end{bmatrix}\) and its multiplicative inverse is

  • (A) \(\begin{bmatrix} 2 & -3 \\ 5 & -7 \end{bmatrix}\)
  • (B) \(\begin{bmatrix} -7 & 3 \\ -5 & 2 \end{bmatrix}\)
  • (C) \(\begin{bmatrix} -5 & 0 \\ 0 & -5 \end{bmatrix}\)
  • (D) \(\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}\)

Question 119:

If \(f(x)=\begin{cases} \frac{x-e^{x}+\cos 2x}{x^{2}}, & \text{if }x\neq 0 \\ k, & \text{if }x=0 \end{cases}\) is continuous at \(x=0\), then the value of \(k\) is...

  • (A) \(2\)
  • (B) \(-2\)
  • (C) \(\frac{-5}{2}\)
  • (D) \(\frac{5}{2}\)

Question 120:

If \(\sqrt{1-x^{6}}+\sqrt{1-y^{6}}=a^{3}(x^{3}-y^{3})\), then \(\frac{dy}{dx}=\ldots\)

  • (A) \(\frac{x^{2}}{y^{2}}\sqrt{\frac{1-x^{6}}{1-y^{6}}}\)
  • (B) \(\frac{y^{2}}{x^{2}}\sqrt{\frac{1-y^{6}}{1-x^{6}}}\)
  • (C) \(\frac{x^{2}}{y^{2}}\sqrt{\frac{1-y^{6}}{1-x^{6}}}\)
  • (D) \(0\)

Question 121:

If \(f(x)=\sqrt{1+\cos ^{2}(x^{2})}\), then \(f'\left(\frac{\sqrt{\pi }}{2}\right)=\ldots\)

  • (A) \(\sqrt{\frac{\pi }{6}}\)
  • (B) \(\sqrt{\frac{\pi }{4}}\)
  • (C) \(-\sqrt{\frac{\pi }{6}}\)
  • (D) \(-\sqrt{\frac{\pi }{4}}\)

Question 122:

If \(f(x)=\log \left(\frac{1+x}{1-x}\right)\) and \(g(x)=\left(\frac{3x+x^{3}}{1+3x^{2}}\right)\), then \(\frac{d}{dx}(f(g(x)))=\)

  • (A) \(f'(x)\)
  • (B) \(g'(x)\)
  • (C) \(3g'(x)\)
  • (D) \(3f'(x)\)

Question 123:

If \(x=\frac{1-\sqrt{y}}{1+\sqrt{y}}\), then \(\frac{dy}{dx}=\)

  • (A) \(\frac{4(x-1)}{(x+1)^{3}}\)
  • (B) \(\frac{4(x+1)}{(x-1)^{3}}\)
  • (C) \(\frac{(x-1)}{(x+1)^{3}}\)
  • (D) \(\frac{4(1-x)}{(x+1)^{3}}\)

Question 124:

The maximum volume (in cubic units) of a right circular cylinder for which the sum of the square of its height and the square of its radius of base \(48\), is

  • (A) \(48\pi\)
  • (B) \(64\pi\)
  • (C) \(128\pi\)
  • (D) \(16\pi\)

Question 125:

If the slope of the tangent to the curve \(2y^{2}=ax^{2}+b\) at \((1,-1)\) is \(-1\), then ...

  • (A) \(a=2\) and \(b=0\)
  • (B) \(a=2\) and \(b=1\)
  • (C) \(a=0\) and \(b=1\)
  • (D) \(a=1\) and \(b=2\)

Question 126:

If \(f(x)\) satisfy the condition of Rolle's Theorm in \([1,2]\) and \(f(x)\) is continuous in \([1,2]\) then \(\int _{1}^{2}f'(x)dx\) is equal to _____

  • (A) \(3\)
  • (B) \(0\)
  • (C) \(1\)
  • (D) \(2\)

Question 127:

\(\int \frac{dx}{(x+2)(x^{2}+1)}\) is equal to

  • (A) \(\frac{1}{5}\log |x+2|-\frac{1}{10}\log (x^{2}+1)+\frac{2}{5}\tan ^{-1}x+C\)
  • (B) \(\log |x+2|+\frac{1}{10}\log (x^{2}+1)+\frac{1}{5}\tan ^{-1}x+C\)
  • (C) \(5\,\log |x+2|+10\,\log (x^{2}+1)+\tan ^{-1}x+C\)
  • (D) \(\log |x+2|+\frac{1}{10}\log (x^{2}+1)-\frac{1}{5}\tan ^{-1}x+C\)

Question 128:

\(\int \sin ^{3}x\cos ^{3}xdx=\ldots\)

  • (A) \(-\frac{1}{192}[9\,\cos 2x-\cos 6x]+c\)
  • (B) \(\frac{1}{192}[9\,\cos 2x-\cos 6x]+c\)
  • (C) \(-\frac{1}{32}[\cos 2x-\cos 6x]+c\)
  • (D) \(\frac{1}{32}[\cos 2x-\cos 6x]+c\)

Question 129:

\(\int \frac{5x^{12}+6x^{11}}{(x^{6}+x+1)^{3}}dx=\)

  • (A) \(-\frac{x^{12}}{2(x^{6}+x+1)^{2}}+c\)
  • (B) \(-\frac{1}{2(x^{6}+x+1)^{2}}+c\)
  • (C) \(\frac{x^{12}}{2(x^{6}+x+1)^{2}}+c\)
  • (D) \(\frac{1}{2(x^{6}+x+1)^{2}}+c\)

Question 130:

If \(\int \frac{1}{f(x)}dx=\log |f(x)|^{2}+c\), then \(f(x)=\ldots\)

  • (A) \(x+c\)
  • (B) \(\frac{x}{2}+c\)
  • (C) \(\frac{x^{2}}{2}+c\)
  • (D) \(x^{2}+c\)

Question 131:

If \(\int _{0}^{\pi }\log (\sin x)dx=k\), then the value of \(\int _{0}^{\frac{\pi }{4}}\log (1+\tan x)dx\) in terms of \(k\) is...

  • (A) \(\frac{k}{8}\)
  • (B) \(-\frac{k}{2}\)
  • (C) \(-\frac{k}{8}\)
  • (D) \(\frac{k}{2}\)

Question 132:

The value of \(\int _{1}^{2}\frac{1}{x(1+\log x)^{2}}dx\) is.......

  • (A) \(\frac{\log 2}{1-\log 2}\)
  • (B) \(\frac{\log 2}{1+\log 2}\)
  • (C) \(\frac{\log 2}{-1+\log 2}\)
  • (D) \(\frac{-\log 2}{1+\log 2}\)

Question 133:

\(\int _{0}^{\frac{\pi }{2}}(1+\sin x)^{3}dx=\)

  • (A) \(0\)
  • (B) \(1\)
  • (C) \(\frac{\pi }{2}-\frac{2}{3}\)
  • (D) \(\frac{5\pi }{4}+\frac{11}{3}\)

Question 134:

The area bounded by the curve \(y=x^{2}+4,x=y,x=3\), and Y-axis is

  • (A) \(\frac{51}{2}\ \text{unit}^{2}\)
  • (B) \(\frac{33}{2}\ \text{unit}^{2}\)
  • (C) \(\frac{27}{2}\ \text{unit}^{2}\)
  • (D) \(\frac{21}{2}\ \text{unit}^{2}\)

Question 135:

The differential equation \(\frac{dy}{dx}=\frac{\sqrt{1-y^{2}}}{y}\) determines a family of circles with

  • (A) variable radii and fixed center at \((0,1)\)
  • (B) fixed radius of \(1\) and variable centers on X-axis
  • (C) variable radii and fixed center at \((0,-1)\)
  • (D) fixed radius of \(1\) and variable centers on Y-axis

Question 136:

If \(y=c_{1}\sin ^{2}x+c_{2}\), then its differential equation is:

  • (A) \(\frac{d^{2}y}{dx^{2}}+2\,\cot 2x\frac{dy}{dx}=0\)
  • (B) \(\frac{d^{2}y}{dx^{2}}-\cot 2x\frac{dy}{dx}=0\)
  • (C) \(\frac{d^{2}y}{dx^{2}}-2\,\cot x\frac{dy}{dx}=0\)
  • (D) \(\frac{d^{2}y}{dx^{2}}-2\,\cot 2x\frac{dy}{dx}=0\)

Question 137:

The general solution of \(e^{\frac{dy}{dx}}=x\) is

  • (A) \(y=x\log x-x+c\)
  • (B) \(y=x\log x+c\)
  • (C) \(y=1/x+c\)
  • (D) \(y=x.\,\log x+x+c\)

Question 138:

Which of the following is not a correct pair of a linear differential equation and its integrating factor?

  • (A) Linear differential equation \(\frac{dy}{dx}-y=2x\), Integrating factor \(=e^{-x}\)
  • (B) Linear differential equation \(\frac{dy}{dx}+y=e^{x}\), Integrating factor \(=e^{x}\)
  • (C) Linear differential equation \(\frac{dy}{dx}=x+xy\), Integrating factor \(=e^{\frac{x2}{2}}\)
  • (D) Linear differential equation \(x\frac{dy}{dx}+2y=x^{2}\log x\), Integrating factor \(=x^{2}\)

Question 139:

In a triangle PQR, L and M are the points on QR and PR respectively such that \(QL=2LR\) and \(PM=3MR\). Let S be the point of intersection of PL and QM; then S divides segment QM internally in the ratio ...

  • (A) \(12:5\)
  • (B) \(8:3\)
  • (C) \(5:3\)
  • (D) \(16:9\)

Question 140:

If \(\vec{a}=\hat{i}+2\hat{j}+3\hat{k},\vec{b}=3\hat{i}+4\hat{j}+4\hat{k},\vec{c}=3\hat{i}+2\hat{j}+3\hat{k}\) are the position vectors of the vertices \(A\), \(B\) and \(C\) respectively of \(\triangle ABC\) and the bisector of \(\angle A\) meets side \(BC\) at \(D\) where \(B-D-C\), then \(|\vec{AD}|\) is...

  • (A) \(\frac{2\sqrt{30}}{5}\)
  • (B) \(\frac{2}{3}\)
  • (C) \(\frac{\sqrt{13}}{5}\)
  • (D) \(1\)

Question 141:

A parallelopiped is determined by vectors \(\vec{a}=\hat{i}+2\hat{k},\vec{b}=\hat{i}+\hat{j}-\hat{k}\) and \(\vec{c}=2\hat{i}+2\hat{j}+3\hat{k}\). The length (in units) of its altitude drawn to the base determined by vectors \(\vec{b}\) and \(\vec{c}\) is

  • (A) \(\sqrt{2}\)
  • (B) \(5\sqrt{2}\)
  • (C) \(\frac{1}{\sqrt{2}}\)
  • (D) \(\frac{1}{2}\)

Question 142:

If three coterminous edges of a parallelopiped are represented by \(\vec{a}-\vec{b},\vec{b}-\vec{c}\) and \(\vec{c}-\vec{a}\) then its volume is

  • (A) \([\vec{a}\ \vec{b}\ \vec{c}]\)
  • (B) \([\vec{a}\ \vec{b}\ \vec{c}]^{2}\)
  • (C) \(2[\vec{a}\ \vec{b}\ \vec{c}]\)
  • (D) \(0\)

Question 143:

If \(8\vec{AB}-3\vec{AC}-5\vec{AD}=\vec{0}\), then the point \(C\) divides \(BD\) in the ratio ...

  • (A) \(8:5\) internally
  • (B) \(3:4\) externally
  • (C) \(4:3\) internally
  • (D) \(5:8\) externally

Question 144:

If the lines \(\frac{x-1}{1}=\frac{y-1}{2}=\frac{z-1}{3}\) and \(\frac{x-3}{1}=\frac{y-k}{2}=\frac{z-5}{1}\) are intersect at the point \(P\), then the distance (in units) of the point \(P\) from the origin \(O(0,0,0)\) is ...

  • (A) \(\sqrt{14}\)
  • (B) \(\sqrt{21}\)
  • (C) \(\sqrt{26}\)
  • (D) \(\sqrt{29}\)

Question 145:

The foot of the perpendicular from the origin to the plane is \(N=(4,5,a),a>0\) and \(l(ON)=7\), then vector equation of the plane is ...

  • (A) \(\vec{r}\cdot (4\hat{i}+5\hat{j}-2\sqrt{2}\hat{k})=49\)
  • (B) \(\vec{r}\cdot (4\hat{i}+5\hat{j}+2\sqrt{2}\hat{k})=49\)
  • (C) \(\vec{r}\cdot (4\hat{i}-5\hat{j}+2\sqrt{2}\hat{k})=49\)
  • (D) \(\vec{r}\cdot (4\hat{i}+5\hat{j}+2\sqrt{2}\hat{k})=40\)

Question 146:

The equation of a plane passing through the intersection of two planes \(\vec{r}\cdot (\hat{i}-2\hat{j}+3\hat{k})=4\) and \(\vec{r}\cdot (2\hat{i}+\hat{j}-3\hat{k})=7\) and parallel to Y-axis is

  • (A) \(\vec{r}\cdot (2\hat{i}-2\hat{k})=11\)
  • (B) \(\vec{r}\cdot (\hat{i}+\hat{j}-2\hat{k})=3\)
  • (C) \(\vec{r}\cdot (5\hat{i}-3\hat{k})=18\)
  • (D) \(\vec{r}\cdot (4\hat{i}-3\hat{k})=28\)

Question 147:

The planes \(5x-2y+3z=9\) and \(15x-6y+9z=-5\) are

  • (A) Perpendicular
  • (B) Intersect each other
  • (C) Parallel
  • (D) Pass through \((2,2,1)\)

Question 148:

If \(X\) follows a Binomial distribution with parameters \(n=8\) and \(p=\frac{1}{2}\) then \(P(|X-4|\leq 2)\)

  • (A) \(\frac{59}{64}\)
  • (B) \(\frac{119}{128}\)
  • (C) \(\frac{117}{128}\)
  • (D) \(\frac{29}{32}\)

Question 149:

The variance of random variable \(X\), for the following probability mass function (p. m. f.) is ...

\(X=x\)\(1\)\(2\)\(3\)
\(P(X=x)\)\(\frac{1}{5}\)\(\frac{2}{5}\)\(\frac{2}{5}\)
  • (A) \(\frac{14}{25}\)
  • (B) \(\frac{11}{5}\)
  • (C) \(\frac{\sqrt{14}}{5}\)
  • (D) \(\frac{11}{25}\)

Question 150:

Two fair dice are thrown. The probability that the sum of the scores is \(7\) such that the number on the second die is greater than that on the first die is ...

  • (A) \(\frac{1}{6}\)
  • (B) \(\frac{1}{12}\)
  • (C) \(\frac{3}{4}\)
  • (D) \(\frac{1}{36}\)

MHT CET 2026 PCM Exam Pattern and Marking Scheme

Parameter Details
Conducting Body Maharashtra Common Entrance Test Cell (Maharashtra CET Cell)
Exam Mode Online (Computer-Based Test)
Duration 180 minutes (3 hours)
Groups / Subjects PCM (Physics, Chemistry, Mathematics) for Engineering
Total Questions

150

Total Marks 200
Question Type Multiple Choice Questions (MCQs)
Marks Distribution
  • Mathematics – 2 marks/question
  • Physics and Chemistry – 1 mark/question
Negative Marking No
Syllabus Weightage
  • Class 12 – 80%
  • Class 11 – 20%