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 remain the same. Do you hear echo sound on a hotter day ?
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 remain the same. Do you hear echo sound on a hotter day ?
Solution:
If the temperature rises, the speed of sound will increase. Thus, the time taken by the sound to reach initial point decreases. That is, it will be certainly less than 0.1 s (the sensation of sound persists in our brain for about 0.1 s). Thus, no echo is heard.
If the temperature rises, the speed of sound will increase. Thus, the time taken by the sound to reach initial point decreases. That is, it will be certainly less than 0.1 s (the sensation of sound persists in our brain for about 0.1 s). Thus, no echo is heard.
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