Question

Distance between 5th and 15th crest is 0.4 m . What is the wavelength of sound ?​

Answer 1

Answer:

We know that the distance between two crest and trough is called wavelength of a wave. Distance between 5th and 15th crest will be 10 λ. So, So, the wavelength of the sound is 2 cm.

Answer 2

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We know that the distance between two crest and trough is called wavelength of a wave. Distance between 5th and 15th crest will be 10 λ. So, the wavelength of the sound is 2 cm