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Question: Answered & Verified by Expert
A bus is moving with a velocity of $5 \mathrm{~m} / \mathrm{s}$ towards a wall. The driver blows the horn
of frequency $165 \mathrm{~Hz}$. If the speed of sound in air is $335 \mathrm{~m} / \mathrm{s}$, then after reflection of
sound wave, the number of beats per second heard by the passengers in the bus will be
PhysicsWaves and SoundMHT CETMHT CET 2020 (12 Oct Shift 2)
Options:
  • A 4
  • B 5
  • C 6
  • D 2
Solution:
2899 Upvotes Verified Answer
The correct answer is: 5
No Solution

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