Question

The shrillness of sound depends upon frequency.
A. True
B. False

Answer 1

Hint : Sound waves are longitudinal waves where the particle of the medium moves to and fro in the direction of the motion of propagation of the wave. Define what is shrillness and about the pitch of a sound.

Complete step by step answer:
The world shrillness is used to define the pitch of the sound. A high pitched sound is called a shrill sound.
Sound wave is a mechanical wave or also can be called a pressure wave. Sound waves are longitudinal waves.
The pitch of sound depends on the frequency of the vibration of the wave. If the frequency of the vibration of a sound wave is high, then the sound has a high pitch. If a sound wave has low frequency then the vibration of sound has a low pitch. A sound wave with high pitch is called shrill sound.
So, we can say that if the frequency of vibration of sound waves is high, then the sound is shrill and high pitched. If the frequency of vibration of the sound wave is low, then the sound has low shrill and the sound is low-pitched.
So, we can say that the shrillness of sound depends on the frequency of the sound.
So, the given statement in the question is true.

The correct option is (A).

Note: Loudness and shrillness seem to be the same, but they are not the same. The pitch can be defined as the response of our ears to the frequency of the sound wave. Loudness can be defined as the energy of the wave. So, we can say that the shrillness depends on the frequency and the loudness depends on the energy of the sound wave.