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A source of sound is travelling with a v...

A source of sound is travelling with a velocity 40 km / hour towards observer and emits sound of frequency 2000 Hz . If velocity of sound is 1220 km / hour , then what is the apparent frequency heard by an observer

A

2210 Hz

B

1920 Hz

C

2068 Hz

D

2086 Hz

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -WAVES AND SOUND-Doppler s Effect
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  8. A source of sound of frequency 90 vibrations/ sec is approaching a sta...

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  9. A whistle of frequency 500 Hz tied to the end of a string of length 1....

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  10. A train moves towards a stationary observer with speed 34 m//s. The tr...

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  11. If source and observer both are relatively at rest and if speed of sou...

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  15. A whistle revolves in a circle with an angular speed of 20 rad//sec us...

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