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Parts of the External Ear

Why do distan...

Question

Why do distant sounds such as those of traffic and loudspeakers become louder during the night time than during the day time?

A

Due to the reflection of sound waves.

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B

Due to the refraction of sound waves.

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C

Due to the absence of other sounds.

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D

Due to a clear perception of hearing.

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Solution

The correct option is A Due to the reflection of sound waves.
Sound waves travel differently at night than during the day. During the day, the sound bends away from the ground;during the night, it bends towards the ground.

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