The loudness and the pitch of a sound depends on

Options

A. intensity and velocity
B. frequency and velocity
C. intensity and frequency
D. frequency and number of harmonics.

Answer

C

Explanation

Loudness is associated with the intensity of sound which is measured by energy of sound waves crossing per unit times through a unit area at right angles to the direction of waves. Pitch of a note depends upon the frequency of vibration of the source.