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Frictionless and weightless piston was f...

Frictionless and weightless piston was fitted into a cylinder containing a gas This gas was allowed to expand from one litre to 5 litre against a constant pressure of one atmosphere in doing so, 200 J of heat was absorbed from the surrounding . The change in the internal energy of the system is :

A

`+205.2J`

B

`+205.2KJ`

C

`-205.2J`

D

`-405.2J`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaU=q+W`
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