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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

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

Grade:12

1 Answers

Saurabh Kumar
askIITians Faculty 2405 Points
8 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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