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 both loudness and pitch will remain unaffected
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
- Soln:
Answer is (a) sound will be louder but pitch will not be different
Explanation:
Pitch depend on the frequency particular key and loudness depends on force by which key is pressed.
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