In a set of 25 tuning forks, arranged in order of increasing frequency – InterviewSolution

InterviewSolution

1.	In a set of 25 tuning forks, arranged in order of increasing frequency, each fork gives 3 beats per second with the succeeding one. If the frequency of the 10th fork is 127 Hz, the frequency of the 16th fork is (A) 139 Hz (B) 145 Hz (C) 148 Hz (D) 151 Hz.
Answer» Correct option is (B) 145 Hz

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