sound is heard more distinct at night than at day . why ?
speed of sound in a gas medium is least. why ?
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May be the moisture content in air is less than in day time that of night..
speed of sound in gas medium is least because its particles are farther than solid and liquid
speed of sound in gas medium is least because its particles are farther than solid and liquid
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when the sun goes down, the air temperature usually falls also - particularly close to the ground - and this can cause various atmospheric phenomena such as inversion layers, which act like sound mirrors
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