Time taken by the sound wave — task. Physics CBSE Live product, Class 9.

A sound wave has a frequency of 6 \(kHz\) and a wavelength of 0.21 \(m\). How much time will it take to travel \(1\) \(km\)?

The time taken by the sound wave is \(s\)

Note: (Enter the answer value up to two decimals)

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8. Time taken by the sound wave