A) intensity and frequency
B) frequency and number of harmonics
C) intensity and velocity
D) frequency and velocity
Correct Answer: A
Solution :
Loudness of sound note depends on intensity according to relation, \[L=10\,{{\log }_{10}}\left( \frac{I}{{{I}_{0.}}} \right)\] Here, \[{{I}_{0}}\]is the intensity of minimum audible sound. Pitch is the characteristics of sound that depends on frequency. It determines the shrillness and graveness of sound.
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