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A second's pendulum clock having steel w...

A second's pendulum clock having steel wire is calibrated at `20^(@)`C. When temperature is increased to `30^(@)`C, then calculate how much time does the clock
`[alpha_(Steel)`=`1.2xx10^(-6^(@))C^(-1)`

A

`0.3628 s`

B

`3.626 `

C

`362.8 s`

D

`36.28 s`

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The correct Answer is:
D
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