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A train is moving with a uniform speed of `33 m//s` and an observer is approaching the train with the same speed. If the train blows a whistle of frequency 1000 Hz and the velocity of sound is `333 m//s` then the apparent frequency of the sound that the observer hears is

A

1220 Hz

B

1099 Hz

C

1110 Hz

D

1200 Hz

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TARGET PUBLICATION-Sound-Exercise
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  6. A car with a hom of frequency 620 Hz travels towards a large wall with...

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  7. A police car with a siren of frequency 8 kHz is moving with uniform ve...

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  8. A source of sound S is moving with a velocity 50 m//s towards a statio...

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  9. A railway engine whistling at a constant frequency moves with a consta...

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  10. A source of sound S emitting waves of frequency 100 Hz and an observer...

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  11. A drone fitted with siren in flying directly away from the drone opera...

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  12. A siren placed at a railway platform is emitting a sound of frequency ...

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  13. Two trains A and B are approaching a platform from opposite direction...

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  14. A train has just completed a U-curve in a track which is a semicircle....

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  15. A car is moving with a speed of 72 km-hour^(-1) towards a roadside sou...

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  16. The velocity of sound is greatest in

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  17. A heavy ball of mass M is suspended from the ceiling of a car by a lig...

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  18. The transverse displacement of a string clamped at both ends is by y (...

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  19. Two boys stand close to a long straight metal pipe, at some distance f...

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  20. A uniform rope of length L and mass m1 hangs vertically from a rigid s...

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