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Find the period of a simple pendulum 1.2...

Find the period of a simple pendulum 1.20m long.

A

1.4 s

B

3.2 s

C

4.1 s

D

2.2 s

Text Solution

Verified by Experts

The correct Answer is:
D
Time period , `T_(p)=2pisqrt((rho)/(g))=2pi=sqrt((1.20)/(9.8) )`
` = 2xx3.14 xxsqrt((1.20)/(9.8))`
`=2xx3.14sqrt(0.1224)`
`=2xx3.140xx0.3498s=2.1967s`
`T_(p)=2.2s`
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