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Question

Physics Question on Waves

According to Laplace correction, the propagation of sound in gas takes place under

A

isothermal condition

B

isobaric condition

C

isochoric condiion

D

adiabatic condition

Answer

adiabatic condition

Explanation

Solution

Laplace suggested that the compression of reflection takes place too rapidly that the gas doesn't get enough time to exchange heat with surroundings. Thus it an adiabatic process: PV2=PV ^{2}= constant