A siren having a ring of 200 hole makes 132 rev/min. A jet of air is directed on the set of holes. Calculate the frequency and wavelength in air of the note produced (take v = 350m/s)

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A. 0.875m
B. 0.625m
C. 0.335m
D. 0.125m

Correct Answer: Option A

A. 0.875m

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