Question

standing at a distance how is it possible to detect the filling of a bucket under a water tap by hearing the sound​

Answer 1

Answer:

The pitch of the sound of water filling in a bucket increases as the water in the bucket rises, and the length of the area of the air column decreases. Hence, the frequency of the sound increases. Hence, from a distance it is possible to detect the filling of a bucket under a water tap.

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Answer 2

Explanation:

As the bottle fills up, the air column or amount of air inside the bottle decreases. ... Also the amplitude or the loudness of the sound will decrease, as the amount of the air column vibrating decreases as the bottle fills up. So with the increase in shrillness of the sound, you can detect the filling up of the bottle.