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Q: A car is moving towards a high cliff. The car driver blows a horn of frequency f. The reflected sound heard by the driver has frequency 2f. If v be the velocity of sound, the velocity of the car, in the same velocity units, will be

Amit Anand , 13 Years ago
Grade 12
anser 1 Answers
Saurabh Kumar

Last Activity: 10 Years ago

Use the concept of Dopler’s effect when the source is approaching towards observer...
Consider the apparent frequency as 2f and original frequency as f.......

Proceed in this way ….….….….….….….….….….….….…..

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