Home Physics Thermodynamics Karnataka - CET Previous Year Question In an adiabatic expansion of an ideal gas th…
Physics Thermodynamics Karnataka - CET Previous Year Question MCQ (Single Correct)

In an adiabatic expansion of an ideal gas the product of pressure and volume

A
remains constant
B
at first increases and then decreases
C
decreases
D
increases.

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Verified by Experts
The correct answer is:
C

For an adiabatic process, constant

or or

Since it is an adiabatic expansion, V increases, therefore PV decreases.

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