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In an adiabatic expansion the product of...

In an adiabatic expansion the product of pressure and volume :

A

decreases

B

increases

C

remains constant

D

first increases then decreases.

Text Solution

Verified by Experts

The correct Answer is:
A
In an adiabatic expansion, internal decreases and hence temperature decreases.
`:.` from equation of state of ideal gas
PV=nRT
`rArr ` the product of P and V decreases
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