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General Knowledge :: Physics

  1. What factors contribute to global winds?

  2. A.

     Coriolis Effect

    B.

     Convection Cells

    C.

     Uneven warming of the earth by the sun

    D.

     All of the above


  3. Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

  4. A.

     K1k2/k1+k2

    B.

     2k1k2/k1+k2

    C.

     K1+k2/k1k2

    D.

     None


  5. A spring is an example of which of these

  6. A.

     Newton's 3rd law

    B.

     Hooke's law

    C.

     Newton's 1st law

    D.

     Conservation of mass law


  7. A copper disc has a hole. If the disc is heated, the size of the hole

  8. A.

     Increases

    B.

     Decreases

    C.

     No change

    D.

     First increases and than decreases


  9. Which measurement describes the pressure of a gas?

  10. A.

     450 mm Hg

    B.

     315 K

    C.

     251 g/cub.cm

    D.

     None of the above


  11. Tensional forces normally cause which one of the following?

  12. A.

     Normal faults

    B.

     Strike-slip faults

    C.

     Thrust faults

    D.

     Reverse faults


  13. Amount of water vapour in the atmosphere is measured in terms of

  14. A.

     Humidity

    B.

     Droplets

    C.

     Smog

    D.

     All of the above


  15. For an ideal gas, which one of the following statements does not hold true?

  16. A.

     The speed of all gas molecules is same

    B.

     The kinetic energies of all gas molecules are not same

    C.

     The potential energy of the gas molecules is zero

    D.

     There is no interactive force between the molecules.


  17. Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as

  18. A.

     Thomson effect

    B.

     Joule effect

    C.

     Seebeck effect

    D.

     Peltier effect


  19. The transport phenomenon occurs only in ________ state of a gas and is ________

  20. A.

     Non-equilibrium, irreversible

    B.

     Non-equilibrium, reversible

    C.

     Equilibrium, irreversible

    D.

     Equilibrium, reversible