What is the frequency of vibration if the balance wheel of a wrist watch makes 90 revolutions in 25 s?
a
0.01 Hz
b
0.04 Hz
c
2.27 Hz
d
3.60 Hz
Explanation
Correct Option
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What is the frequency of vibration if the balance wheel of a wrist watch makes 90 revolutions in 25 s?
0.01 Hz
0.04 Hz
2.27 Hz
3.60 Hz