Which is the nearest planet to the sun?

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Jasmine Grover

Education Journalist | Study Abroad Lead

There are 8 planets in our solar system. The order of the planets in our solar system, from the nearest to the sun to outwards is – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

  • Hence, Mercury is the closest planet to the Sun.
  • The temperature on Mercury varies extremely from 90 K to 700 K.
  • Mercury, the nearest planet to the sun, is the second densest major celestial body in space after our Earth.

The solar system includes the four inner planets, the asteroid belt, the four gas giants, and then and on to the Kuiper Belt. 

Mercury

Mercury is the nearest planet to the sun and is the smallest planet in the solar system. It moves around the sun in 88 days. 

  • The temperature at Mercury is extremely thin. 
  • It is mainly made of oxygen, sodium, helium, hydrogen, and potassium.
  • Its surface is filled with craters just like the moon.

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CBSE CLASS XII Related Questions

  • 1.
    Consider the nuclear reaction \( X \to Y + Z \). Let \( M_x \), \( M_y \), and \( M_z \) be the masses of the three nuclei X, Y, and Z respectively. Then which of the following relations hold true?

      • \( (M_x - M_z)<M_y \)
      • \( (M_x - M_y)<M_z \)
      • \( M_x>(M_y + M_z) \)
      • \( M_x<(M_y + M_z) \)

    • 2.
      Read the following paragraph and answer the questions that follow.
      In an experiment with convex lens of focal length f, the screen is fixed at a distance D from the object. A student slowly moves the lens away from the object towards the screen and finds that she is able to form sharp image of the object for two positions of the lens. The distance between these two positions of the lens is d.


        • 3.
          Capacitors are manufactured with certain standard capacitances and working voltages. However, these standard values may not be the ones that are actually needed in a particular application. Two or more capacitors can be grouped in series or in parallel to achieve desired capacitance and voltage. When connected in series, the total capacitance decreases while the voltage rating increases, whereas in parallel connections, the total capacitance increases and maintains the same voltage rating. A capacitor stores energy in the electric field between its plates and stored energy is proportional to the square of the voltage and capacitance $U = \frac{1}{2}CV^2$, where symbols have their usual meanings.
          Two capacitors, one of $3 \ \mu$F and the other of $6 \ \mu$F, are connected in series in the circuit as shown in the figure, for a long time. }


            • 4.
              An electric field $\vec{E}$ is established across the ends of a cylindrical conductor of length L and area of cross-section A. Discuss how electrons attain an average velocity, independent of time. Hence, obtain a relation between current in the conductor and this ‘average velocity’ of electrons.


                • 5.
                  With the help of a labelled diagram, explain the principle, construction and working of an a.c. generator.


                    • 6.
                      This ‘average velocity’ is found be few mm/s for currents in range of a few amperes. How then is current established almost the instant a circuit is closed ?

                        CBSE CLASS XII Previous Year Papers

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