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The temperature of an object is observed...

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

A

heat must be supplied to it

B

heat may have been supplied to it

C

work may have been done on it

D

2 & 3

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  2. When two pieces of ice are pressed together, they combine to form one ...

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  3. The temperature of an object is observed to rise in a period. During t...

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  4. Some quantity of heat is given to a substance. The quantity which dete...

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  5. In a pressure cooker the cooking is fast because

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  6. A fan produces a feeling of comfort because

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  7. Iron, lead and brass spheres of equal masses are heated to a common te...

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  8. A gas is heated first keeping the pressure constant and then keeping t...

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  9. If a bullet is suddenly stopped the rise in temperature is independent...

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  10. The triple point for water is

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  11. Ice, water and steam co-exist at triple point temperature 273.16 K and...

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  12. Of the following the fastest process of heat transfer is

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  13. S.I. Unit of temperature gradient is

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  14. Amount of heat conducted through a metal rod is directly proportional ...

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  15. Coefficient of thermal conductivity

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  16. For an Ideal conductor, thermal resistance is

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  17. When a metal rod attains same temperature through out its length, then...

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  18. Under steady state of conduction, the temperature at a cross-section o...

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  19. During severe winter in the low temperature zones of the world, the su...

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  20. The two ends of a metal rod are maintained at temperatures 100^(@)Cand...

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