In 5 seconds, a sound produces 15 crests and 20 troughs. The time interval between the two crest is 4 cm. Calculate the frequency, the wavelength and the wave speed
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Time taken to produce 15 cycles = 3 seconds
Time period of the wave length =3/15=>0.2 sec
Frequency of the wave =1/0.2 => 5Hz
Wave Length =2cm
Wave speed = Wavelength*Frequency=>
2*5 = 10cm/s
Time period of the wave length =3/15=>0.2 sec
Frequency of the wave =1/0.2 => 5Hz
Wave Length =2cm
Wave speed = Wavelength*Frequency=>
2*5 = 10cm/s
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