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A source is moving towards stationary observer with some velocity. The frequency of sound heard is `4/3` of its original frequency. Then, the velocity of source is :– (Given velocity of sound is 332 m`s^(–1)`)
A. |
`50 ms^(–1)` |
B. |
`75 ms^(–1)` |
C. |
`90 ms^(–1)` |
D. |
`83 ms^(–1)` |
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