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A whistling train approaches a junction....

A whistling train approaches a junction. An observer standing at juction observes the frequency to be `2.2 KHz` and `1.8 KHz` of the approaching and the receding train respectively. Find the speed of the train (speed of sound `300m//s`)

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`V_S = 30 m"/"s`
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MOTION-SOUND WAVES-EXERCISE - 4 ( LEVEL II)
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  11. A stationary source is emitting sound at a fixed frequency f(0), which...

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  14. A police car with a siren of frequency 8 KHz is moving with uniform ve...

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  16. Two vehicles, each moving with speed u on the same horizontal straight...

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  17. A student is performing an experiment using a resonance column and a t...

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  18. Two loudspeaker M and N are located 20m apart and emit sound at freque...

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  19. A block M hangs vertically at the bottom end of a uniform rope of cons...

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  20. A stationary source emits the sound of frequency f0 = 492 Hz. The soun...

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