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  4. Two waves having sinusoidal waveforms have different wavelengths and different amplitudes. They will be having:

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Q. Two waves having sinusoidal waveforms have different wavelengths and different amplitudes. They will be having:

BHUBHU 2005Electromagnetic Waves

Solution:

Pitch is that characteristic of sound which enables one to distinguish between a shrill sound and a grave sound. It depends upon the frequency of the source. While intensity of sound is proportional to the square of amplitude $ (I=k{{a}^{2}}), $ hence different amplitudes have different frequencies. Also quality depends upon the number, order and relative intensity of the overtone.