Q.

Which is the correct statement?

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a

For an isothermal change PV = constant

b

In an isothermal process the change in internal energy must be equal to the work done

c

For an adiabatic change  P2P1=V2V1γ, where γ is the ratio of specific heats

d

In an adiabatic process work done must be equal to the heat entering the system

answer is A.

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Detailed Solution

Since  PV=RT and T= constant; ∴ PV= constant.
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Which is the correct statement?