A small source of sound moves on a circle as shown in fig. and an observer is sitting at O. Let at `v_1,v_2,v_3` be the frequencies heard when the source is at A, B and C respectively.

A small source of sound moves on a circle as shown in figure and an observer is sitting at O. Let v_1,v_2,v_3 be the frequencies heard when the source is at A,B and C respectively. .

A small source of sound moves on a circle as shown in figure and an observer is sitting at O. Let v_1,v_2,v_3 be the frequencies heard when the source is at A,B and C respectively. .

A small source of sound moves on a circle as shown in figure and an observer is sitting at O. Let v_1,v_2,v_3 be the frequencies heard when the source is at A,B and C respectively. .

A small source of sound moves on a circle as shown in figure and an observer is sitting at O. Let v_1,v_2,v_3 be the frequencies heard when the source is at A,B and C respectively. .

A small source of sound moves on a circle as shown in figure and an observer is sitting at O. Let v_(1),v_(2),v_(3) be the frequencies heard when the source is at A, B and C respectivel

A small source of sound moves on a circle as shown in the figure and an observer is standing on O. Let n_1 , n_2 and n_3 be the frequencies heard when the source is at A, B and C respectively. Then

A small source of sound moves on a circle as shown in the figure and an observer is standing on O. Let n_1 , n_2 and n_3 be the frequencies heard when the source is at A, B and C respectively. Then