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A bucket kept under a running tap is getting filled with water. A person sitting at a distance is able to get an idea when the bucket is bucket to be filled. (i) What change takes place in the sound to give this idea? (ii) What Cases the change in the sound ? |
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Answer» (i) As the bucket is filled, the sound becomes shriller due to decrease in length of air column and increase in frequency. (ii) The change in sound takes place due to change in frequency of sound due to decrease in the length of the air column. |
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