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General Knowledge :: Physics

  1. Absolute Zero is defined as

  2. A.

     The temperature at which all molecular motion ceases

    B.

     At which water boils at 298K

    C.

     At which liquid Helium boils

    D.

     At which the volume becomes zero

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  3. At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal?

  4. A.

     –40

    B.

     40

    C.

     273

    D.

     –273

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  5. At what temperature (in Fahrenheit) pure water freezes?

  6. A.

     32

    B.

     0

    C.

     48

    D.

     37

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  7. On the Kelvin scale, the melting point of ice is

  8. A.

     373K

    B.

     100K

    C.

     273K

    D.

     0 K

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  9. The temperature which has the same reading on both Fahrenheit and Celsius scales is

  10. A.

     40°

    B.

     –40°

    C.

     0°

    D.

     32°

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  11. A gas thermometer is more sensitive than a liquid thermometer because a gas :

  12. A.

     Is lighter than liquid

    B.

     Expands more than a liquid

    C.

     Is easy to obtain

    D.

     Does not change state easily

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  13. What is the SI unit of temperature?

  14. A.

     Kelvin

    B.

     Joule

    C.

     Celsius

    D.

     Fahrenheit

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  15. Earliest thermometer was developed by

  16. A.

     Celsius

    B.

     Fahrenheit

    C.

     Kelvin

    D.

     Galileo

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  17. The absolute zero is a temperature at which ________

  18. A.

     Molecular motion in a gas would cease

    B.

     Water freezes

    C.

     All gases become liquid

    D.

     All gases become solid

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  19. Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be

  20. A.

     At a higher level in water

    B.

     At a higher level in alcohol

    C.

     At the same level in both

    D.

     Floating in alcohol and sinking in water

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