A gas expands from 40 litres to 90 litre...

A gas expands from 40 litres to 90 litres at a constant pressure of 8 atmosphers. Work done by the gas during the expansion is

A

`4xx10^(-4)J`

B

`4xx10^(4)J`

C

`4xx10^(3)J`

D

`4xx10^(2)J`

Verified by Experts

The correct Answer is:

B

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