Question

A whistle of frequency 540 Hz rotated in a horizontal circle of radius 2m at an angular speed of 15
rad/s. The highest frequency heard by a listener at rest with respect to the centre of circle is
(velocity of sound in air is 330 m/s)
(A) 590 Hz
(B) 592 Hz
(C) 594 Hz
(D) 595 HZ​

Answer 1

Explanation:

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