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Solution


Q.

An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas      [2015]
1 Isochoric  
2 Isothermal  
3 Adiabatic  
4 Isobaric  

Ans.

(3)

The P-V diagram of an ideal gas compressed from its initial volume V0 to V02 by several processes is shown in the figure.

Work done on the gas = Area under P-V curve.

As area under the P-V curve is maximum for adiabatic process, so work done on the gas is maximum for adiabatic process.