A gas is compressed at a constant pressure of `50 N//m^(2)`, from a volume `10 m^(3)` to a volume of `4 m^(3)`. 100 J of heat is added to the gas then its internal energy.
A
Increases by 400 J
B
Increases by 200 J
C
Decreases by 400 J
D
Decreases by 200 J
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The correct Answer is:
A
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