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A small source of sound moves on a circle, as shown in figure

Question

A small source of sound moves on a circle, as shown in figure, and an observer is sitting at $O$ . Let $n_{1}, n_{2}$ and $n_{3}$ be the frequencies heard when the source is at A, B and C respectively. Then:

n_{1} > n_{2} > n_{3}

n_{1} = n_{2} > n_{3}

n_{2} > n_{3} > n_{1}

n_{1} > n_{3} > n_{2}

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A small source of sound moves on a circle, as shown in figure, and an observer is sitting at

O

. Let

n_{1}, n_{2}

and

n_{3}

be the frequencies heard when the source is at A, B and C respectively. Then:

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Question Text

A small source of sound moves on a circle, as shown in figure, and an observer is sitting at

O

. Let

n_{1}, n_{2}

and

n_{3}

be the frequencies heard when the source is at A, B and C respectively. Then:

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