Q.
The velocity of sound in air is v and the root mean square velocity of the molecules is c. Then v/c is equal to
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a
γ/3
b
(γ/3)1/2
c
γ/3
d
γ/3
answer is B.
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Detailed Solution
V=γPρ and P=13ρc2 Vc=(γP/ρ)(3P/ρ)=γ31/2
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