State True or False:

The pitch of a sound depends on the frequency of the waves.

Time taken by an object to complete one oscillation is called __________.

Loudness is determined by the __________ of vibration.

The unit of frequency is ________.

Unwanted sound is called _________.

Shrillness of a sound is determined by the _________ of vibration.

Identify the part which vibrates to produce sound in the following instrument:

Dholak

Identify the part which vibrates to produce sound in the following instrument:

Sitar

Identify the part which vibrates to produce sound in the following instrument:

Flute