If a key of a piano is first struck gently and then much harder , how will the loudness and pitch of the sound change?

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Solution

Dear Student ,
Yes pitch will not change because loudness depends on amlitude. By hiting it hard it will make its amplitude higher.But the frequency will be same. And the point is to be noted is that the loudness depens on the amplitude not the frequency.
Regards

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Question 2
A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case

(a) sound will be louder but pitch will not be different
(b) sound will be louder and pitch will also be higher
(c) sound will be louder but pitch will be lower
(d) both loudness and pitch will remain unaffected

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If a key of a piano is first struck gently and then much harder , how will the loudness and pitch of the sound change?

Dear Student , Yes pitch will not change because loudness depends on amlitude. By hiting it hard it will make its amplitude higher.But the frequency will be same. And the point is to be noted is that the loudness depens on the amplitude not the frequency. ​Regards

Dear Student ,
Yes pitch will not change because loudness depends on amlitude. By hiting it hard it will make its amplitude higher.But the frequency will be same. And the point is to be noted is that the loudness depens on the amplitude not the frequency.
Regards