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CBSE Class 11-science Answered

Two waves of wavelengths 1m and 1.02m produce 13 beats in 2 seconds in air at NTP.  Find the velocity of air at NTP.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

Let v be the velocity of sound in air at NTP.  The frequency of wave of wavelength 1m is

 

Answered by | 04 Jun, 2014, 03:23: PM
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