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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 16 - Waves > A car is moving towards a high cliff. The car driver sounds a horn of frequency f. The reflected sound heard by the driver has the frequency 2f. If v be the velocity of sound, then the velocity of the car, in the same velocity units will be :

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