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Question

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Define the terms : (i) vibration (ii) time period.

Solution

(i) Vibration: Vibration is defined as a rapid to and fro motion of a particle about a fixed position.

(ii) Time period : The time taken by a vibrating body to complete one oscillation is called its time period.

Some More Questions From Sound Chapter

State True or False:

Noise pollution may cause partial hearing impairment.

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

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