A) \[\propto \] intensity
B) independent of intensity
C) \[\propto \frac{\text{1}}{\text{intensity}}\]
D) None of the above
Correct Answer: D
Solution :
Amplitude of pressure variation \[{{P}_{m}}=BkA\] and intensity of wave \[I\propto {{A}^{2}}\] So, \[{{p}_{m}}\propto {{(I)}^{1/2}}\] ie, pressure variation \[\propto ~{{\left( intensity \right)}^{172}}\]
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