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A simple pendulum of length 1 m the bob ...

A simple pendulum of length 1 m the bob performs circular motion in horizontal plane if its string making an angle ` 60 ^(@)` with the verticle , then the period of rotation of the bob will be `(g=10 m//s^(2)`

A

2s

B

1.4s

C

1.98s

D

2.4s

Text Solution

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The correct Answer is:
B
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