Four curves A, B, C and D are drawn in F...

Four curves `A, B, C` and `D` are drawn in Fig. for a given amount of gas. The curves which represent adiabatic and isothermal changes

A

C and D respectively

B

D and C respectively

C

A and B respectively

D

B and A respectively

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The correct Answer is:

C

`[(dp)/(dV)]_(ISO) = - p/V`
` [(dp)/(dV)]_("Adia") = - gamma P/V`

Both the slopes are negative and `("slope")_("Adia") gt (slope)_("iso")` so curve A is for adiabatic and curve B is for isothermal.

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