A sound wave has a frequency 2 kHz and wavelength 40 cm. How long will it take to travel 1.6 km?

Discussion in 'CBSE Class 9 Physics Help' started by Vinila Choudary, Mar 23, 2012.

  1. Vinila Choudary

    Vinila Choudary Active Member

    A sound wave has a frequency 2 kHz and wavelength 40 cm. How long will it take to travel 1.6 km?

    How long will it take to travel 1.6 km.JPG

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