NEET Physics Thermodynamics Questions Solved


In an adiabatic expansion of a gas initial and final temperatures are T1 and T2 respectively, then the change in internal energy of the gas is -

(1) Rγ1(T2T1)

(2) Rγ1(T1T2)

(3) R(T1T2)

(4) Zero

(1) ΔU=ΔW=R(T1T2)(γ1)

=R(T2T1)γ1

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