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Question

If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called

यदि कोई तरल पदार्थ बड़े आयाम के छिद्र के माध्यम से अचानक निर्वात में फैल जाता है, तो ऐसी प्रक्रिया कहलाती है

A.

Free expansion

B.

Hyperbolic expansion

C.

Adiabatic expansion

D.

Parabolic expansion

Answer ( Option A)

Free expansion

Solution

Free expansion process: A free expansion occurs when a fluid is allowed to expand suddenly into a vacuum chamber through an orifice of large dimensions.

An irreversible process: The (adiabatic) free expansion of an ideal gas

               

Hence, the correct option is (A). 

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