A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall. The driver sounds a horn of frequency 165 Hz. If the speed of sound in air is 335 ms⁻¹, the numebr of beats heard per second by a passenger inside the bus will be

Options

(a) 3
(b) 4
(c) 5
(d) 6

Correct Answer:

5

Explanation:

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