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Frequency

A vibrating p...

Question

A vibrating particle displacement is zero in every 2 secs. The frequency of vibration is

A

5 Hz

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B

0.5 Hz

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C

20 Hz

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D

2 Hz

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Solution

The correct option is B 0.5 Hz
The statement means the particle returns to its position every 2 secs.
Time period $T = 2 s$
Frequency $f = \frac{1}{T} = \frac{1}{2} = 0.5 H z$
The correct option is (b)

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