The speed of a wave in a medium is 760 m/s. If 3600 waves are passing through a point, in the medium in 2 minutes, then its wavelength is

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13.8 m

25.3 m

41.5 m

57.2 m

answer is B.

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Detailed Solution

Frequency of wave is n=36002×60 Hz⇒λ=vn=76030=25.3 m

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