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1. |
50 tuning forks are arranged in increasing order of their frequencies such that each gives 4 beats/sec with its previous tuning fork. If the frequency of the last fork is an octave of the first, then the frequency of the first tuning fork is? |
A. | 200Hz |
B. | 204Hz |
C. | 196Hz |
D. | 0 |
Answer» D. 0 | |