The frequency of sound waves can be expressed in

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\frac{Cycles}{second}

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s^{- 1}

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All of these

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Solution

The correct option is C All of these
The frequency means the number of full cycle of the wave per second. So all the options can be used to express the frequency. They all have same dimensions $[T]^{- 1}$ .

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y_{1} = a sin (10^{15} π t)

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(in m)

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