Q.

Which of the following laws of thermodynamics defines internal energy?

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a

Zeroth law

b

Second law

c

First law

d

Third law

answer is C.

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Detailed Solution

Internal energy is defined in first law∵ΔQ=ΔU+ΔW  So, ΔU=ΔQ−ΔW
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Which of the following laws of thermodynamics defines internal energy?