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

Question

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

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

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Frequency of change of resultant amplitude
= number of beats `s^(-1) = 260 - 256 = 4 Hz`

4 views Answered 2023-02-05 15:29