The sound wave shown in the figure has irregular and non-periodic vibrations, what type of waveform is this?

Pleasant music

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Musical instrument

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Noise

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None of these

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Solution

The correct option is C
Noise

Noise is produced by non-periodic vibrations, it has irregular wave patterns. Noise is unpleasant to hear and is generally produced in a factory or by moving vehicles like a bus, train, etc.

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Similar questions

(a) What is the noise? Give two examples of sounds which are considered noise.

(b) What is a musical sound? Give two examples of musical sounds.

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