Physics Thermodynamics First Law of Thermodynamics (Delta Q = Delta U + Delta W) MCQ (Single Correct)

A gas is compressed at a constant pressure of from a volume of to volume of . Energy of 100 joule is thus added to gas by heating. Its internal energy is:

A
450 J
B
400 J
C
350 J
D
410 J

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Verified by Experts
The correct answer is:
B

As volume decreases, work is done on the gas and so it is -ve.

Joule
Heat supplied, Joule
( Law of thermodynamics)
Joule

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