Answer to Question #24924 in Acoustics for Rajesh

Question

4. A whistle is rotated along a circular path of radius 1 m, The whistle completes two rotations per second along the circular path. An observer stays outside the circular path but in the same plane with the circular path. Calculate the musical interval as heard by die observer between maxm. and minm. frequencies. Given velocity of sound 330 m/s.