Oscillations and Waves-Beats (NEET Physics): Questions 9 - 9 of 9

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Question number: 9

» Oscillations and Waves » Beats

MCQ▾

Question

A person carrying a whistle emitting continuously a note of 272 Hz is running towards a reflecting surface with a speed of 18 km/hour. The speed of sound in air is 345ms -1. The number of beats heard by him is,

Choices

Choice (4) Response
a.

8

b.

3

c.

4

d.

6

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