Which of the following is not a part of sound wave?

Pitch

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Timbre

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Colour

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Loudness

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Solution

The correct option is C
Colour

All three i.e. pitch, loudness and quality of sound (timbre) are the main characteristics of the sound wave. These three are related to frequency, and amplitude of the wave, and the related waveforms due to varying frequency and amplitude. There is no involvement of colour of a sound wave. It is out of the context.

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Similar questions

(a) Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?

(b) Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.

The loudness and pitch of a sound depends on

By reducing the amplitude of a sound wave, its:

(a) pitch increases (b) loudness decreases

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