Home Physics Thermodynamics Mix An ideal diatomic gas occupies a volume V 1 …
Physics Thermodynamics Mix MCQ (Single Correct)

An ideal diatomic gas occupies a volume V 1 at a pressure P 1 . The gas undergoes a process in which the pressure is proportional to the volume. At the end of process the rms speed of the gas molecules has doubled from its initial value then the heat supplied to the gas in the given process is -

A
7 P 1 V 1
B
8 P 1 V 1
C
9 P 1 V 1
D
10 P 1 V 1

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Text Solution

Verified by Experts
The correct answer is:
C

As

constant
Also,

root mean square speed is,
But as root mean square speed is doubled therefore temperature becomes four times.
Hence,

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