A tuning fork arrangement (pair) produces 4 beats / sec with one fork of frequency 288 cps . A little wax is placed on the unknown fork and it then produces 2 beats /sec. The frequency of the unknown

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A tuning fork arrangement (pair) produces 4 beats / sec with one fork of frequency 288 cps . A little wax is placed on the unknown fork and it then produces 2 beats /sec. The frequency of the unknown fork is

TestHub · Accepted Answer

The fact that placing wax decreases the frequency of the unknown fork and also the beat frequency states that the unknown fork is of higher frequency. n − 288 = 4 ⇒ n = 292 cps

Physics - Sound Wave Question with Solution | TestHub

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