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Question

Work done in a free expansion process is :

मुक्त विस्तार प्रक्रिया में किया गया कार्य है:

A.

Positive

B.

Negative

C.

Zero

D.

Maximum

Answer ( Option C)

Zero

Solution

Free expansion of a gas occurs when it is subjected to expansion in a vacuum. During free expansion of an ideal gas, the work done is zero be it reversible or irreversible process.

Hence, the correct option is (C).

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