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Which among the following is a feature...

Which among the following is a feature of adiabatic expansion ?

A

`DeltaV lt 0`

B

`Delta U lt 0`

C

`Delta U gt 0`

D

`Delta T =0`

Text Solution

Verified by Experts

The correct Answer is:
B
A/c to first law of thermodyanimcs
`Delta U = q+w`
In adiabatic process `q=0 therefore DeltaU =W`
In adiabatic expansion `W = -ve therefore -W = - DeltaU`
i.e., `DeltU lt O`
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