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Question

The correct figure representing isothermal and adiabatic expansion of an ideal gas from a particular initial state is:


A
A
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B
B
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C
C
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D
D
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Solution

The correct option is A A
We know that, for an isothermal process, PV = constant

For an adiabatic process,
PVγ = constant

As γ>1, P will vary more in an adiabatic process than in an isothermal process on making the same change in volume. Thus, making the curve steeper in case of an adiabatic process.



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