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Q.

Reversible expansion of an ideal gas under isothermal and adiabatic conditions are as shown in the figure.AB → Isothermal expansionAC →Adiabatic expansionWhich of the following options is not correct?

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a

TC>TA

b

ΔSisothermal >ΔSadiabatic

c

TA=TB

d

Wisothermal >Wadiabatic

answer is A.

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Detailed Solution

Since graph A to C represents adiabatic reversible expansion, so work is done at the expense of internal energy, therefore, there is decrease in internal energy. So the temperature decreases. i.e., TC
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