Question

pitch of sound is determined by it​

Answer 1

Answer:

The number of vibrations per second or frequency determines the pitch of a sound. Frequency is directly proportional to pitch. Higher the frequency, higher the pitch.

Answer 2

frequency

The pitch increases with the increase of frequency and decreases with the decrease of frequency. The sound whose frequency is not stable is not suitable for our ears. It can cause sever headache or even hearing loss.