1.

Twomolesof heliumgasare takenoverthe cycleABCDA , asshown in theP-Tdigram Assuming the gas to be ideal the work doneon thegas in takingif from A to Bis -

Answer»

200 R
300 R
`-400 R`
500 R

Solution :`w= -2 XX 10 ^(5)xx N xx R[T_(2)/(P_(2))-(T_(1))/(P_(2))]`
w = - 400 R`


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