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A small source of sound vibrating at frequency 500 Hz is rotated in a circle of radius `100/2pi` cm at a constant angular speed of 5-0 revolutions per second. A listener situates himself in the plane of the circle. Find the minimum and the maximum frequency of the sound observed. Speed of sound in air `= 332 m s^-1`.

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RESONANCE ENGLISH-SOUND WAVES-Exercise- 2 PART - II
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