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A bat flies perpendicularly towards a wa...

A bat flies perpendicularly towards a wall with a speed of 6 m/s, emitting sound of frequency 450 kHz. What is the frequency of the wave reflected from the wall that it will hear? Given `c=340(m)/(s)`?

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Here, the bat is the observer and the image is the source
`n'=(c-v_0)/(c-v_S)xxn`
`=[(340-(-6))/(340-6)]450=466kHz`
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CENGAGE PHYSICS ENGLISH-SOUND WAVES AND DOPPLER EFFECT-Exercise 6.2
  1. A source of sonic oscillations with frequency v(0)=100Hz moves at righ...

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  2. A whistle of frequency 540 Hz rotates in a horizontal circle of radius...

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  3. A bat flies perpendicularly towards a wall with a speed of 6 m/s, emit...

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  4. The ratio of the apparent frequencies of a car when approaching and re...

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  5. A whistle emitting a sound of frequency 440 Hz is tied to a string of ...

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  6. A siren emitting a sound of frequency 2000 Hz moves away from you towa...

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  7. A railroad train is travelling at 30 m/s in still air. The frequency o...

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  8. Two tuning forks A and B having a frequency of 500 Hz each are placed ...

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  9. A person riding on a merry go round emits a sound wave of a certain fr...

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  10. Does the Doppler effect increase the intensity of wave when its source...

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  11. The Doppler effect is a wave characteristic. Light and sound are both ...

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  12. Is there a Doppler effect in the case of sound when the observer or th...

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  13. A source moves away from an obeserver with a certain speed, and the ra...

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  14. An engine blowing a whistle of frequency 133 Hz moves with a velocity ...

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  15. A source emits sound waves of frequency 1000 H(Z). The source moves to...

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  16. A stationary source emits sound of frequency upsilon=1200Hz. If a wi...

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  17. A stationary observer receives sonic oscillations from two tuning for...

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  18. A stationary source sends forth monochromatic sound. A wall approaches...

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  19. A source of sonic oscillations with frequency v(0)=100Hz moves at righ...

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  20. A whistle of frequency 540 Hz rotates in a horizontal circle of radius...

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