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A sheet of brass is 40 cm long and 8 cm ...

A sheet of brass is 40 cm long and 8 cm broad at `0^(@)C`. If the area at `100^(@)C` is `320.1m^(2)`, calculate the coefficient of linear expansion of brass.

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The correct Answer is:
`1.55 xx 10^(-6).^(@)C^(-1)`
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