If two waves have the same loudness and pitch then

only frequency is the same

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only amplitude is the same

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both the frequency and amplitude are same

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waveforms are the same

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Solution

The correct option is C
both the frequency and amplitude are same

For the same loudness and pitch, the waveform is different for different sources of sound. Following waveforms produced by tuning fork and piano have the same pitch and loudness but different waveforms. Pitch depends on frequency and loudness mainly depends on amplitude.

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Two sounds of same loudness and same pitch produced by the two different instruments differ in their:

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