Question

Calculate the velocity of sound wave whose frequency is 20 HZ and time period is 15 sec​

Answer 1

Answer

frequency of the sound wave, n= 220 Hz

Speed of the sound wave, v = 440 m/s

For a sound wave,

Speed = Wavelength x Frequency

v = λ × n

440 = λ × 220

λ = 440/220 = 2 m

Hence, the wavelength of the sound wave is 2 m.