Questions  

Which of the following laws of thermodynamics defines internal energy?

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By Expert Faculty of Sri Chaitanya
a
Zeroth law
b
Second law
c
First law
d
Third law
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detailed solution

Correct option is C

Internal energy is defined in first law∵ΔQ=ΔU+ΔW  So, ΔU=ΔQ−ΔW

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