A small source of sound moves on a circle as shown-in figure (16-Q1) and an observer is sitting at o. Let v1, v2, v3 be the frequencies heard when the sours.e-is-at A, B and C respectively.
(a) v1>v2>v3
(b) v1 = v2 > v3
(c) v2 > v3 > v1
(d) v1 > v2 > v2.
