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A gas may expand either abiabatically o...

A gas may expand either abiabatically or isothermally .A number of P-V curves are drawn for the two processes over different ranges of pressure and volume . It will be found that :

A

An adiabatic curve and an isothermal curve may intersect

B

Two adiabatic curves do not intersact

C

Two isothermal curves do not intersect

D

All of these

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The correct Answer is:
D
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A gas may expand either adiabatically or isothermally. A number of p-V curves are drawn for the two processes over different ranges of pressure and volume, it will be found that (i) Two adiabatic curves do not intersect (ii) two isothermal curves do not intersect (iii) an adiabatic curve and an isothermal curve may intersect. (iv) the magnitude of the slope of an adiabatic curve is greater thanthe magnitude of the slope of an isothermal curve

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AAKASH INSTITUTE-THERMODYNAMICS-ASSIGNMENT (SECTION -B) (Objective Type Questions)
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