A tuning fork A produces 4 beats/ s with...

A tuning fork A produces 4 beats/ s with tuning fork, B of fequency 256 Hz. When the fork A is filled beats are found to occurs at shorter intervals, then the original frequency will be

252 Hz

260 Hz

256 Hz

262 Hz

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The correct Answer is:

After filling the fork, the frequency of the fork increases.

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