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56 tuning forks are so arranged in series, that each fork gives 4 beats/second with the previous one. If the frequency of the last fork is 3 times that of the first, then the frequency of the first fork will be (a) 55 Hz (b) 110 Hz (c) 75 Hz (d) 220 Hz

56 tuning forks are so arranged in series, that each fork gives 4 beats/second with the previous one. If the frequency of the last fork is 3 times that of the first, then the frequency of the first fork will be
(a) 55 Hz
(b) 110 Hz
(c) 75 Hz
(d) 220 Hz

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
10 months ago
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