Question

A sound wave travels at a speed of 399 m/s. If its wave length is 1.5 cm. What is the frequency of the wave

Answer 1

As we know that,

Frequency = Speed of wave/Wavelength

Given,

speed of wave=399m/s

wavelength=1.5 cm = (1.5/100)m = 0.015m

Therefore,

=(399/0.015)Hz

=26,600 Hz