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Beats are produced when two progressive ...

Beats are produced when two progressive waves of frequency 256 Hz and 260 Hz superpose. Then the resultant amplitude change periodically with frequency of

A

256 Hz

B

260 Hz

C

`(256-260)/2 Hz`

D

4 Hz

Text Solution

Verified by Experts

The correct Answer is:
D
Frequency of change of resultant amplitude
= number of beats `s^(-1) = 260 - 256 = 4 Hz`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-WAVE MOTION-Exercise 1
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