Question

The shrillness of a sound is determined by the __________ of vibration.

Answer 1

1. Shrillness is known as the quality of sounds in terms of pitch that differentiates between sounds of high-pitch or low pitch, screeching or harsh character.
2. Pitch is the criteria of shrillness in the voice.
3. More the frequency, more will be the pitch of the sound and vice versa.
4. Examples are sounds produced by a trumpet or piccolo or a loud band.

Hence shrillness of a sound is determined by the frequency of vibration.