AP EAMCET · PHYSICS · Waves and Sound
A bus is moving with a velocity of \(5 \mathrm{~ms}^{-1}\) towards a huge wall. The driver sounds horn of frequency \(165 \mathrm{~Hz}\). If the speed of sound in air is \(335 \mathrm{~ms}^{-1}\), the number of beats heard per second by the passengers in the bus will be
- A 6
- B 4
- C 3
- D 5
Answer & Solution
Correct Answer
(B) 4
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