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Question

The frequency of a second's pendulum is


A

0.5Hz

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B

1Hz

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C

2Hz

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D

5.5Hz

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Solution

The correct option is A

0.5Hz


The explanation for the correct answer:

Option (A): 0.5Hz

  1. A second pendulum is a special type of pendulum in which the time taken for a swing in one direction is 1s.
  2. So, the time taken to complete one oscillation in a second pendulum is 2s.
  3. Since the time period (T) is 2s. So, the frequency (f) will be:

f=1Tf=12=0.5Hz

Hence, Option (A) is correct. 0.5Hz.


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