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The length of each steel rail is 10 m in...

The length of each steel rail is `10 m` in winter. The coefficient of linear expansion of steel in `0.000012//^(@)C` in summer. The gap to be left between the rails

A

`0.0018m`

B

`0.00120m`

C

`0.0022m`

D

`0.05m`

Text Solution

Verified by Experts

The correct Answer is:
A
`l_(2) - l_(1) = l_(1)alpha(t_(2) - t_(1))`
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