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Heat and work are equivalent i.e.,...

Heat and work are equivalent i.e.,

A

when we supply heat to a body we do work on it

B

when we do work on a body we supply heat to it

C

the temperature of a body can be increased by doing work on it.

D

a body kept at rest may be set into motion by supplying heat on it

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The correct Answer is:
C
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CP SINGH-HEAT AND CALORIMETRY-Exercise
  1. Heat and work are equivalent i.e.,

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  2. The temperature of an object is observed to rise in a period. In this ...

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  3. If heat is supplied to s solid its temperature (i) must increase (...

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  4. The temperature of a solid object is observed to be constant during a ...

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  5. If specific heat of a substance is infinite, it means

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  6. Boiling water is changing into steam. Under this condition the specifi...

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  7. Calorie is defined as the amount of heat required to raise temperature...

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  8. A metallic ball and highly stretched spring are made of the same mater...

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  9. A 50 kg man is running at a speed of 18 kmH^(-1) If all the kinetic en...

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  10. A ball is dropped on a floor from a height of 2.0m. After the collisio...

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  11. A lead bullet strikes against a steel plate with a velocity 200ms^-1. ...

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  12. A lead bullet penetrates into a solid object and melts. Assuming that ...

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  13. An electric kettle takes 4 A current at 220 V. How much time will it t...

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  14. Hailstone at 0^@C from a height of 1 km on an insulating surface conve...

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  15. Two bodies at different temperature are mixed in a calorimeter.Which o...

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  16. A liquid of mass m and specific heat c is heated to a temperature 2T. ...

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  17. Two liquids A and B are at 30^@C and 20^@C, respectively When they are...

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  18. A vessel contains 110 g of water. The heat capacity of the vessel is e...

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  19. The temperature of equal masses of three different liquids A, B and C ...

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  20. Heat is supplied to a certain homogeneous sample of matter, at a unifo...

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