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  1. The centre of gravity of a sprinter during the race lies

  2. A.

     Ahead of his feet

    B.

     Behind his feet

    C.

     At the centre of the body

    D.

     To the left side of the body

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  3. Who enunciated the laws of planetary motion?

  4. A.

     Nicolaus Copernicus

    B.

     Johannes Kepler

    C.

     Isaac Newton

    D.

     Galileo

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  5. The tidal waves on sea is mainly due to

  6. A.

     Gravitational Effect of Moon on Earth

    B.

     Gravitational Effect of Sun on Earth

    C.

     Gravitational Effect of Earth on Moon

    D.

     None of the above

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  7. The time period of a pendulum when taken to the Moon would:

  8. A.

     Remain the same

    B.

     Decrease

    C.

     Become zero

    D.

     Increase

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  9. "God Particle" is

  10. A.

     Neutrino

    B.

     Higgs Boson

    C.

     Meson

    D.

     Positron

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  11. The mass of a star is two times the mass of the Sun. How it will come to an end ?

  12. A.

     Neutron Star

    B.

     Black hole

    C.

     White Dwarf

    D.

     Red Giant

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  13. Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ?

  14. A.

     Earth

    B.

     Moon

    C.

     Venus

    D.

     Saturn

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  15. The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:

  16. A.

     8 T

    B.

     4 T

    C.

     1 T

    D.

     2 T

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  17. Which is evidence that supports the dynamo theory?

  18. A.

     Earth's outer core contains liquid that conducts electricity

    B.

     Earth's core contains a large amount of iron

    C.

     Granite and basalt conduct electricity

    D.

     Convection occurs in Earth's inner core

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  19. Which of the following is indicated by the colour of a star ?

  20. A.

     Weight

    B.

     Distance

    C.

     Temperature

    D.

     Size

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