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

 If a key of the mechanical piano is first struck gently and then struck again but much harder this time. In the second case, the sound will be louder but the pitch will not be different.

So, option $(a)$ is correct.

Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

73 Views

Kickstart Your Career

Get certified by completing the course

Get Started