Question

Q. 29. Define the ralation between velocity, wavelength and frequency of wave, A certain sound wave in air
has a speed 340 m/s and wavelength 1.7 m for this wave, calculate. i) the frequency ii) the period​

Answer 1

Answer:

29. the relation v=νλ  (ν=frequency and λ=wavelength)

    i) frequency ν=v/λ=340/1.7=200 Hz

    ii) Time period T=1/ν=1/200=0.005 s

Answer 2

Velocity = wavelength *frequency

a) 340=1.7*frequency

frequency =340/1.7

frequency = 200hz

b) f=1/T

T= 1/200

0.005seconds

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