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General Knowledge :: Physics

  1. When heated from 0 to 100oC volume of a given mass of water will :

  2. A.

     Increase gradually

    B.

     Decrease gradually

    C.

     Increase and then will decrease

    D.

     Decrease and then will increase

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  3. When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of

  4. A.

     Surface tension

    B.

     Capillarity

    C.

     Viscosity

    D.

     Diffusion

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  5. Which of the following laws validates the statement that matter can neither be created nor destroyed ?

  6. A.

     Law of conservation of energy

    B.

     Le Chatelier's Principle

    C.

     Law of conservation of mass

    D.

     Law of osmosis

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  7. The boiling point of liquids vary as

  8. A.

     Pressure varies

    B.

     Temperature varies

    C.

     Volume varies

    D.

     Density varies

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  9. The freezing point of fresh water is ________ .

  10. A.

     4°C

    B.

     3°C

    C.

     5°C

    D.

     0°C

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  11. The density of water is 1 g/cc. This is strictly valid at

  12. A.

     0°C

    B.

     4°C

    C.

     25°C

    D.

     100°C

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  13. Specific gravity is defined as the ratio of

  14. A.

     Density of the substance to the density of water

    B.

     Density of the substance to the density of water at 0°C

    C.

     Density of water at 4°C to the density of the substance

    D.

     Density of the substance to the density of water at 4°C

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  15. The cause for the Tsunami, as deduced by the seismologists, is

  16. A.

     Gravitational pull of the moon

    B.

     Low pressure trough in the ocean

    C.

     Deformation of sea floor and vertical displacement of water

    D.

     Sudden change in the monsoon wind

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  17. Which statement best describes an igneous intrusion?

  18. A.

     Igneous intrusion for when ice crystals splash into lava

    B.

     Magma is injected into surrounding rock forming an igneous intrusive

    C.

     Magma is exported to an open area and forms iron

    D.

     Magma explodes to the surface and forms a smooth outer layer of rock

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  19. Which is a common first indicator of an approaching thunderstorm?

  20. A.

     Too hot

    B.

     Heavy wind

    C.

     A buildup of dark clouds

    D.

     Lightning

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