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CBSE Class 11-science Answered

how many beats per second will be heard if two source of frequencies 300 and 303 are sounded simultaneously? what will be the time interval between the sound of successive maximum intensity?
Asked by tejanand99 | 19 Feb, 2016, 09:43: PM
answered-by-expert Expert Answer
The sources of frequencies are f1 = 300 Hz and f2 = 303 Hz.
 
Now, the number of beats is n = |f1 - f2| = 303 - 300 = 3
 
Now, the time interval between successive maxima is begin mathsize 14px style Δt equals fraction numerator 1 over denominator straight f subscript 1 minus straight f subscript 2 end fraction equals 1 third equals 0.33 space straight s end style
Answered by Romal Bhansali | 22 Feb, 2016, 11:37: AM
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