Question

Draw the graph showing the variation of pressure with distance for two sound waves having (1) same loudness but different pitch (ii) same pitch but different loudness​

Answer 1

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Draw the graph showing the variation of pressure with distance for two sound waves having (1) same loudness but different pitch (ii) same pitch but different loudness

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Whereas loudness depends on the energy of the wave.In general the pitch is the reason befind the difference in voice

quality of different individuals. the pitch of the sound depends on the frequency while loudness of a sound depends on the amplitude of sound wave.

Refer to the attachment

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Answer 2

Answer:

Quality is used to describe the quality of the waveform as it appears to the listener. Therefore the quality of a note depends upon the waveform. Two notes of the same pitch and loudness, played from different instruments do not sound the same because the waveforms are different and therefore differ in quality or tone.