On which day, a hot day or a cold day, an echo is heard sooner ? Give reason for your answer.
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Answered by
30
Answer:
The speed of sound in air increases with increasing temperature. The speed of sound is more on a hot day than on a cold day. Since, the speed of sound is more on a hot day, therefore we will hear an echo sooner on a hot day than on a cold day.
Answered by
11
Answer:hot day
Explanation:the air is less dence more room for it to travel and vibrate
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