A) same pitch and different intensity
B) same quality and different intensity
C) different quality and different intensity
D) same quality and different pitch
Correct Answer: A
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 proponional 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.
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