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 | 4th 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  | 4th Jun, 2014, 03:23: PM