When a listener moves towards a stationary source of sound , the change in the pitch of sound occurs due to change in: a) wavelength b)intensity c) speed of waves d) all of the them?
1 Answer
Apr 26, 2017
a) wavelength
Explanation:
The pitch of sound corresponds to the frequency of the sound waves. When the pitch increases, frequency increases and wavelength decreases.
The loudness of sound is the intensity which is affected by the amplitude of the waves.
