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  1. In a refrigerator, the cooling system should always be

  2. A.

     At the top

    B.

     At the bottom

    C.

     At the middle

    D.

     Can be anywhere

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  3. In a refrigerator what produces the cooling ?

  4. A.

     The ice which deposits on the freezer

    B.

     The sudden expansion of a compressed gas

    C.

     The evaporation of a volatile liquid

    D.

     None of these

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  5. Which of the following has the highest entropy?

  6. A.

     Hydrogen

    B.

     Diamond

    C.

     Liquid nitrogen

    D.

     Mercury

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  7. Which of these branches of Physics deal with heat and temperature and their relation to energy and work?

  8. A.

     Geophysics

    B.

     Mechanics

    C.

     Atomic Physics

    D.

     Thermodynamics

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  9. The characteristic invalid for heat radiation is that it travels :

  10. A.

     In a straight line

    B.

     In all directions

    C.

     With the speed of light

    D.

     Heating the medium through which it passes

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  11. A cycle tyre bursts suddenly. This represents an :

  12. A.

     Isothermal process

    B.

     Adiabatic process

    C.

     Isochoric process

    D.

     Isoboric process

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  13. Which has the lowest albedo?

  14. A.

     Dark surfaces

    B.

     Light surfaces

    C.

     Both A & B

    D.

     None of the above

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  15. Which one of the following is a non-dimensional quantity?

  16. A.

     Gas constant

    B.

     Strain

    C.

     Co-efficient of viscocity

    D.

     Plank's constant

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  17. The dimension of Planck constant equals to that of

  18. A.

     Energy

    B.

     Momentum

    C.

     Angular momentum

    D.

     Power

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  19. The recoiling of gun is an example of which of the following?

  20. A.

     Law of Conservation of Angular Momentum

    B.

     Law of Conservation of Linear Momentum

    C.

     Conversion of Kinetic Energy to Potential Energy

    D.

     Law of Conservation of Energy

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