A stretched string resonates with a tuni...

A stretched string resonates with a tuning fork of frequency 480 Hz, when the length of the string is 60 cm. The length of the same string required to vibrate resonantly with a tuning fork of frequency 240 Hz will be

100 cm

120 cm

130 cm

150 cm

Text Solution

Verified by Experts

The correct Answer is:

`n_(1)/n_(2) = l_(2)/l_(1) :. L_(2) = 120 ` cm

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