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The length of each rail is 10m. The line...

The length of each rail is 10m. The linear expansion of steel is `12xx10^(-6)//""^(@)C` and range of variation of temperature at the given place is `15^(@)C`. The gap to be left between the rails is

A

0.0018 m

B

0.0012 m

C

0.00022 m

D

0.05 m

Text Solution

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The correct Answer is:
A
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