A tuning fork is found to give 20 beats in 12 seconds when sounded in conjuction with a stretched string vibrating under a

Question

A tuning fork is found to give 20 beats in 12 seconds when sounded in conjuction with a stretched string vibrating under a tension of 14 4 or 10 kgf Calculate the frequency of the fork Two tuning fork n n produce two beats per sec n resonant with 15 cm COP and n resonant with

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