Question

When a sound is reflected from a distant object an echo is produced. Let the distance between the reflecting surface and the source of sound production remains the same.Do you hear echo sound on a hotter day

Answer 1

yes you hear the echo sound in hotter days

Answer 2

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An echo is heard when the time interval between the original sound and the reflected sound is at least 0.1 s.

The speed of sound in a medium increases with an increase in temperature.

Hence, on a hotter day, the time interval between the original sound and the reflected sound will decrease.

Therefore, an echo can be heard only if the time interval between the original sound and the reflected sound is greater than 0.1 s.

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