The loudness and pitch of a sound note depend on :

intensity and velocity

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frequency and velocity

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intensity and frequency

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frequency and number of harmonics

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Solution

The correct option is C intensity and frequency
Pitch is a term used to describe how high or low a note being played by a musical instrument or sung seems to be. It is dependent upon the frequency of source of sound.

Loudness depends upon the amplitude of sound wave. Thus it depends upon its intensity.
The larger the amplitude the more energy the sound wave contains therefore the louder the sound.

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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.

State the factor that determines

(i) the pitch of a note,

(ii) the loudness of the sound heard, and

(iii) the quality of the note.

Draw a diagram to show the wave pattem of high pitch note and a low pitch note, but of the same loudness.

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