NCERT Solutions for Class 11 Physics

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NCERT Solutions for Class 11 Physics for all chapters are given in this article. Along with the NCERT Solutions for Class 11 Physics, Multiple Choice Questions, important topics, and Important questions have also been covered to help students with CBSE Class 11 Exams preparation.

NCERT Solutions for Class 11 Physics – Chapter-wise Solutions

Chapterwise NCERT Solutions for Class 11 Physics as per the Class 12 Physics Chapters is as tabulated below –

Class 11 Physics Chapters – Topics Covered

Chapter 4: Motion in a Plane

Weightage in Board Exams: Chapter 4 Motion in a Plane belongs to Unit 2 Kinematics. Unit 2 along with Unit 1 Physical World and Measurement and Unit 3 Laws of Motion has a weightage of 23 marks in the Physics Examination.
Important Topics Covered:
- Resolution of Vectors
- Displacement Vector
- Centripetal Acceleration
- Uniform Circulation Motion
- Tangential Acceleration Formula
- Trajectory Formula
- Relation between torque and speed
- Resultant Vector Formula
- Uniform Circular Motion
- Projectile Motion Formula
- Horizontal Motion
- Velocity Vectors
- Trajectory Formula

Chapter 5: Laws of Motion

Weightage in Board Exams: Chapter 5 Laws of Motion belongs to Unit 3 of Class 11 Physics. Unit 1 Physical World and Measurement along with Unit 2 Kinematics and Unit 3 have a weightage of 23 marks in the Class 11 Physics Examination.
Important Topics Covered:

Chapter 6: Work, Energy, and Power

Weightage in Board Exams: Unit 4 Chapter 6 Work, Energy, and Power along with Unit 5 and Unit 6 has a weightage of 17 marks in the Class 11 Physics Examination.
Important Topics Covered:
- Kinetic energy
- Heat
- Conservative force
- Conservation of mechanical energy
- Elastic and Inelastic collisions
- Linear Momentum Formula
- Kinetic Energy Formula
- Mechanical Advantage Formula
- The Principle of Conservation of Energy
- Pulley
- Unit of Power
- Types of Energy
- Elastic Collision
- Unit of Work
- Work Done
- Derivation of Kinetic Energy
- Pulley System
- Types of Springs
- Derivation of Work Energy Theorem
- Work and Energy
- Work Energy Theorem And Its Application
- Energy and Classification Of Energy
- Potential Energy Formula
- Work Formula
- Power Formula
- Relation Between EV and Joule
- Kinetic and Potential Energy Difference
- Difference Between Force and Power

Chapter 7: System of Particles and Rotational Motion

Weightage in Board Exams: Chapter 7 System of Particles and Rotational Motion has a weightage of 17 marks along with Unit 4 Work, Energy, and Power and Unit 6 Gravitation.
Important Topics Covered:
- Vector product of two vectors
- Angular Acceleration
- Moment of force
- Moment of inertia
- Rolling motion
- Angular Speed Formula
- Angular Acceleration Formula
- Rotational Inertia Formula
- Relation Between Torque and Moment of Inertia
- Torque or Couple
- Radius of Gyration
- Rigid Bodies
- Center of Mass
- Kinematics of Rotational Motion around a Fixed Axis
- Torque Formula
- Angular Velocity Formula
- Angular Momentum Formula
- Angular Acceleration Formula
- Types of Lever
- Moment Formula

Chapter 8: Gravitation

Weightage in Board Exams: Chapter 8 Gravitation along with Unit 4 Work, Energy, and Power and Unit 5 Motion of System of Particles and Rigid Body has a weightage of 17 marks.
Important Topics Covered:
- Gravitation
- Gravitational Potential energy
- Weightlessness
- Value of g on Moon
- Escape velocity
- Specific Gravity Formula
- Orbital Velocity Formula
- Gravitational Force Formula
- Escape speed
- Earth satellites
- Gravity
- Neptune
- Specific Gravity
- Value of Gravitational Constant
- Density of Air
- Luminosity
- Relation between G and g
- Derivation of Escape Velocity
- Newton's Universal Law of Gravitation and Gravitational Force
- Types of Forces
- Motion of Celestial Bodies in Space
- Gravitational Force and Law of Gravitation
- Gravitational Force Formula
- Escape Velocity Formula

Chapter 9: Mechanical Properties of Solids

Weightage in Board Exams: Chapter 9 Mechanical Properties of Solids belongs to Unit 7 Properties of Bulk Matter. Unit 7 along with Unit 8 Thermodynamics and Unit 9 Behaviour of Perfect Gases and Kinetic
Theory of Gases has a weightage of 20 marks in the Class 11 Examination.
Important Topics Covered:
- Mechanical Properties of Solids
- Stress and Strain
- Hooke’s Law
- Elastic moduli
- Elastic Limit
- Beam Deflection Formula
- Strain Energy Formula
- Bulk Modulus Formula
- Shear Modulus
- Yield Strength
- Tensile Stress
- Plastic Deformation
- Strain Formula
- Elastomers
- Stress Formula
- Shearing Stress
- Solid Deformation

Chapter 10: Mechanical Properties of Fluids

Weightage in Board Exams: Chapter 10 Mechanical Properties of Fluids belongs to Unit 7 Properties of Bulk Matter which has a weightage of 20 marks in the Class 11 Examination along with Unit 8 and Unit 9.
Important Topics Covered:

Chapter 11: Thermal Properties of Matter

Weightage in Board Exams: Chapter 11 Thermal Properties of Matter belongs to Unit 7 Properties of Bulk Matter which along with Unit 8 and Unit 9 has a weightage of 20 marks.
Important Topics Covered:

Class 11 Physics Chapter 12 Thermodynamics

Weightage in Board Exams: Chapter 12 Thermodynamics belongs to Unit 8 which has a weightage of 20 marks along with unit 7 and Unit 9.
Important Topics Covered:

Chapter 13: Kinetic Theory

Weightage in Board Exams: Chapter 13 Kinetic Theory belongs to Unit 9 which along with Unit 7 and Unit 8 has a weightage of 20 marks.
Important Topics Covered:

Chapter: 14 Oscillations

Weightage in Board Exams: Chapter 14 Oscillations belongs to Unit 10 Oscillations and Waves which has a weightage of 10 marks in the CBSE Class 11 Physics Examination.
Important Topics Covered:
- Oscillations
- Sound waves
- Periodic Motion
- Free, Forced, and Damped Oscillations
- Harmonic Progression

Chapter 15: Waves

Weightage in Board Exams: Chapter 15 Waves belongs to Unit 10 Oscillations and Waves which has a weightage of 10 marks in the Class 11 Physics Examination.
Important Topics Covered:

Also check:

Class 11 & 12 PCMB Study Guides
NCERT Solutions for Class 11 Biology	Comparison Topics in Biology	Biology Study Notes
Biology MCQs	Class 11 Notes	NCERT Class 11 Biology Book
Physics Study Notes	Class 12 Physics Book PDF	Class 12 Physics Practicals
Important Derivations in Physics	SI units in Physics	Important Physics Constants and Units
Class 12 Physics Syllabus	NCERT Solutions for Class 12 Chemistry	NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 English	NCERT Solutions for Class 12 Maths	Class 12 Chemistry Practicals
Class 12 Chemistry Notes	Class 12 Biology Notes	Class 12 Maths Notes
Class 12 PCMB Notes	NCERT Class 12 Biology Book	NCERT Class 12 Maths Book
NCERT Class 12 Textbooks	NCERT Solutions for Class 11 Maths	NCERT Solutions for Class 11
NCERT Solutions for Class 11 Chemistry	NCERT Solutions for Class 12 Physics	NCERT Solutions for Class 11 English
NCERT Class 11 Chemistry Book	NCERT Class 11 Physics Book	Topics with relation in physics
Choice based questions in physics	Important Maths Formulas	Important Chemistry Formulas
Class 11 PCMB Syllabus	Chemistry Study Notes	Formulas in Physics
Periodic Table in Chemistry	Important Chemical Reactions	Comparison topics in Chemistry
Comparison Topics in Maths	Class 12 Physics Notes	Important Named Reactions
Maths MCQs	Topics for Comparison in Physics	Chemistry MCQs

CBSE CLASS XII Related Questions

1.
A current of $4.0\,\text{A}$ flows through a wire of length $1\,\text{m}$ and cross-sectional area $1.0\,\text{mm}^2$, when a potential difference of $2\,\text{V}$ is applied across its ends. Calculate the resistivity of the material of the wire.
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2.
A rectangular loop of size 5 cm $\times$ 8 cm is lying in the $x$-$y$ plane in a uniform magnetic field $\vec{B} = (2.0\ \text{T})\hat{k}$. The total magnetic flux linked with the loop is:
- 80 Wb
- 16 Wb
- $8 \times 10^{-2}$ Wb
- $8 \times 10^{-3}$ Wb
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3.
A parallel beam of monochromatic light falls normally on a single slit of width $a$ and a diffraction pattern is observed on a screen placed at distance $D$ from the slit. Explain:
(I) the formation of maxima and minima in the diffraction pattern, and
(II) why the maxima go on becoming weaker and weaker with its increasing number $n$.
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4.
(I) The real image of an object placed between $f$ and $2f$ from a convex lens can be seen on a screen placed at the image location. If the screen is removed, is the image still there? Explain.
(II) Plane and convex mirrors produce virtual images of objects. Can they produce real images under some circumstances? Explain.
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5.
Consider a cylindrical conductor of length $l$ and area of cross-section $A$. Current $I$ is maintained in the conductor and electrons drift with velocity $\vec{v}_d$ ($|\vec{v}_d| = \frac{e|\vec{E}|}{m}\tau$), (where symbols have their usual meanings). Show that the conductivity $\sigma$ of the material of the conductor is given by
$$\sigma = \frac{ne^2}{m}\tau.$$
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6.
Determine the current in the $ 3 \, \Omega $ branch of a Wheatstone Bridge in the circuit shown in the figure.
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