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Question

The internal energy of perfect gas depends on

पर्फेक्ट  गैस की आंतरिक ऊर्जा निर्भर करती है

A.

Temperature, enthalpy and specific heats

B.

Temperature, entropy and specific heats

C.

Temperature only

D.

Temperature, .pressure and specific heats

Answer ( Option C)

Temperature only

Solution

The internal energy of perfect gas depends on temperature only.

We know, U = Cvdt = Cv (T2T1)

Where,

U is internal energy, Cv is specific heat at constant volume, T2 is final temperature, T1 is initial temperature.

That means, U = F (T)

Hence, the correct option is (C).

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