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A person riding a car moving at 72 km/h sounds a whistle emitting a wave frequency 1250 Hz. What frequency will be heard by another person standing on the road in front of the car.

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1328 Hz
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AAKASH SERIES-WAVE MOTION AND SOUND-PROBLEMS (LEVEL - I)
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  2. The fundamental frequency of a closed organ pipe is 220 Hz. Find t...

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  3. The fundamental frequency of a closed organ pipe is 220 Hz. The sec...

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  4. A source of frequency 10 kHz when vibrated over the mouth of a closed ...

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  5. A closed pipe and an open pipe of same length produce 2 beats, when th...

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  6. A tuning fork produces 4 beats per second with the other tuning fork o...

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  7. Two tuning forks when sounded together produce 5 beats in 2 seconds. T...

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  8. Two progressive waves y(1) = 4 sin 400 pi t and y(2) = 3 Sin 404 pi t ...

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  9. Calculate the frequency of beats produced in air when two sources of s...

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  10. Two sitar string A and B playing the note 'Ga' are slightly out of tun...

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  11. The frequency of a tuning fork 'A' is 2% greater than that of a standa...

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  12. A man standing at some distance from a cliff hears the echo of sound a...

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  13. A motor car approaching a cliff with a velocity of 90 kmph sounds the ...

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  14. A person standing between two parallel hills fires a gun. He hears the...

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  15. A tuning fork of unknown frequency makes 5 beats per second with anoth...

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  16. A traffic policeman standing on a road sounds a whistle emitting the m...

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  17. A person riding a car moving at 72 km/h sounds a whistle emitting a wa...

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  18. A person riding a car moving at 72 km/h sounds a whistle emitting a wa...

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  19. A car moving at 108 km/h finds another car in front of it going in the...

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  20. A tuning fork of frequency 328 Hz is moved towards a wall at a speed o...

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