Pls explain....
Ques no.29

Dear student
Please find the solution to the asked query:

The correct option is 3 , because, both heat and work appear in bulk as heat transfers from whole body and not from surface only. Similarly work is done by or on a body from the bulk, using the energy stored in the body.


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Both heat and work appears in bulk bcauz heat transfers from whole body not only on surface and when work is done on a body, the energy stored in whole body.
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