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A, Band C are three tuning forks. Freque...

`A, B`and `C` are three tuning forks. Frequency of `A` is `350 H_(Z)` . Beats produced by `A` and `B` are `5//s` and by `B` and `C` are `4//s` . When a wax is put on `A` beat frequency between `A` and `B` is `2 H_(Z)` and between `a` and `C` is `6 H_(z)` . Then, frequency of `B` and `C` respectively , are

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345,341 or 349 Hz
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