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[Q. Nos. 7-8] You have three firks A, B, and C Fork B has a frequency of 440 What A and B are soundedd together a frequency of 3 Hz is heard. When B and C sounded together,the beat frequency is 4 Hz.
The possible frequencies of C are
A. 437 Hz and 443 Hz
B. 436 Hz and 444 Hz
C. 436 Hz and 445 Hz
D. 437 Hz and 444 Hz

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