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The length of a pendulum changes from 1m...

The length of a pendulum changes from `1m` to `1.21m`. The percentage change in its period is

A

`20%`

B

`21%`

C

`10%`

D

`11%`

Text Solution

Verified by Experts

The correct Answer is:
C
`T alpha sqrt(l)`
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Knowledge Check

  • If length of simple pendulum is increased by 6% then percentage change in the time-period will be

    A
    `3%`
    B
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    C
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    D
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    B
    0.22
    C
    0.2
    D
    0.11

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    A
    `6 %`
    B
    `3 %`
    C
    `1.5 %`
    D
    `0 %`

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