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The work done on a gaseous system is 12 J and also 20 J of heat is added to it. The change in internal energy of the gaseous system is 

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By Expert Faculty of Sri Chaitanya
a
8 J
b
32 J
c
12 J
d
20 J

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detailed solution

Correct option is B

ΔU=q+w=20J+12J=32J
ctaimg

ctaimg

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