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A mass of gas is first expanded isotherm...

A mass of gas is first expanded isothermally and then compressed adiabatically to its original volume. What further simplest operation must be performed on the gas to restore it to its original state?

A

An isobaric cooling to bring its temperature to initial value

B

An isochoric cooling to bring its pressure to its initial value

C

An isothermal process to take its pressure to its initial value

D

An isochoric heating to bring its temperature to initial value

Text Solution

Verified by Experts

The correct Answer is:
B

In process 3-1
V=constant
`:.` `TpropP`
If p is decreasing, then T will also decrease.
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