A tuning fork of frequency 480 Hz produces 10 beats per second when sounded with a vibrating sonometer string. What must have been the frequency of the string if a slight increase in tension produces

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A tuning fork of frequency 480 Hz produces 10 beats per second when sounded with a vibrating sonometer string. What must have been the frequency of the string if a slight increase in tension produces lesser beats per second than before:

TestHub · Accepted Answer

The string is 470 or 490 Hz. More tension raises its frequency. Beats fall only if the string moves toward 480 Hz, i.e. it was below: 470 Hz.

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