Which vibrations will produce a louder sound ...

ICSE Class 10 Physics 2014 Paper

The adjacent diagram shows three different modes of vibrations $P, Q$ and $R$ of the same string.

Question : 41 of 66

Marks: +1, -0

Which vibrations will produce a louder sound and why?

Solution:

R

will produce louder sound because its amplitude is more than

P

and

Q

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