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Distance between two places is 200km. al...

Distance between two places is `200km`. `alpha` of metal is `2.5 xx 10^(-5//@)C`. Total space that must be left between steel rails to allow a change of temperature from `36^(0)F` to `117^(0)F` is

A

`1.08`

B

`0.108`

C

`0.8`

D

`0.0108`

Text Solution

Verified by Experts

The correct Answer is:
B
`Deltal=alphalDeltat, (DeltaC)/(5)=(DeltaF)/(9)`
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