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The time period of a simple pendulum is ...

The time period of a simple pendulum is 2s. It its length is increased by 4 times, then its period becomes

A

16 s

B

12 s

C

8 s

D

4 s

Text Solution

Verified by Experts

The correct Answer is:
D
`(T_(2))/(T_(1))=sqrt((l_(2))/(l_(1)))=sqrt(4)=2`
`T_(2)=2xx2`
`=4s`
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