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If beat frequency is 10 Hz, what is the time interval between

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If beat frequency is 10 Hz, what is the time interval between

(i) successive waxings

(ii) a waxing and subsequent waning of sound.

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Beat period = \(\frac1{beat \,frequency}\) = \(\frac1{10 Hz}\) = 0.1 s

Hence, the time interval will be 0.1 s in case (i) and 0.05 s in case (ii).

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