The intensity of sound increases at night due to [CPMT 2000]

1.	The intensity of sound increases at night due to [CPMT 2000]
A.	Increase in density of air
B.	Decreases in density of air
C.	0.4m
D.	None of these
Answer» B. Decreases in density of air

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The intensity of sound increases at night due to [CPMT 2000]

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