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When we heat an object, it expands. Is w...

When we heat an object, it expands. Is work done by the object in this process? Is heat given to the object equal to the increase in its internal energy?

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HC VERMA ENGLISH-LAWS OF THERMODYNAMICS-All Questions
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  13. The final volume of a system is equal to the initial volume in a certa...

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  14. Can work be done by a system without changing its volume?

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  15. An ideal gas is pumped into a rigid container having diathermic walls ...

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