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A tuning fork gives 4 beats with 50 cm length of a sonometer

A tuning fork gives 4 beats with 50 cm length of a sonometer. If the length of the wire is shortened by 1 cm, the number of beats is still the same. The frequency of the fork is

Options

(a) 396 Hz
(b) 400 Hz
(c) 404 Hz
(d) 384 Hz

Correct Answer:

396 Hz

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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