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A meter scale made of steel is calibrate...

A meter scale made of steel is calibrated at `20^@C` to give correct reading. Find the distance between 50 cm mark and 51 cm mark if the scale is used at `10^@C`. Coefficient of linear expansion of steel is `1.1 xx 10^(-5 @)C^(-1)`

A

`1.00011 cm`

B

`1.0011 cm`

C

`1.011 cm`

D

`1.000011 cm`

Text Solution

Verified by Experts

The correct Answer is:
A
`l_(c)=l_(m)(1+(alpha_(S)-alpha_(b))(t_(2)-t_(1)))`
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