Statement I: The velocity of sound increases with increase in humidity.Statement II: Velocity of sound does not depend upon the medium.
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a
If both statement I and statement II are true and statement II is the correct explanation of statement I.
b
If both statement I and statement II are true but statement II is not the correct explanation of statement I.
c
If statement I is true but statement II is false
d
If both statement I and statement II are false
answer is C.
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Detailed Solution
Velocity of sound in gas medium is v = Kρ = γpρ γ is ratio of its principal heat capacities (CpCv). For moist air ρ is less than that for dry air and γ is slightly greater.∴ Velocity of sound increases with increase in humidity.