Question

What is the frequency of a wave that has a wave speed of 20m/s and a wave length of 0.50m

Answer 1

f = 40 Hertz

Explanation:

Velocity of a wave = frequency × wavelength

frequency = velocity/wavelength

20m/s = f × 0.50

20/0.50 = f

40 Hertz = f or f = 40 Hertz