Beats

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1.
A sonometer wire gives 4 beats/s with a fork of 288 Hz. If the wire length is slightly shortened, beats increase. The original frequency of the wire was:
2.
Two tuning forks of frequencies 256 Hz and 260 Hz are sounded together. The beat frequency is:
3.
Beats are produced due to:
4.
Two tuning forks produce 6 beats per second. One fork has frequency 480 Hz. The possible frequencies of the other are:
5.
10 beats are heard in 5 seconds. If one fork has frequency 250 Hz, the other has:

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