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Thermodynamic Processes

An ideal gas ...

Question

An ideal gas is compressed to half its initial volume by means of several processes. Which one of the following processes results in the maximum magnitude of work done on the gas ?

A

Isothermal

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B

Adiabatic

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C

Isobaric

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D

Isochoric

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Solution

The correct option is B Adiabatic

Work done is equal to the area under 'P-V' curve. As seen from the figure
$W_{a d i a b a t i c} > W_{i s o t h e r m a l} > W_{i s o b a r i c}$

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