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The temperature of an isotropic cubical ...

The temperature of an isotropic cubical solid of length L, density d and coeficient of linear expansion `alpha` per degree C, is raised by `10^(@)C`, then, at this temperatrue to a good approximation

A

Length is `L(1+10 alpha)`

B

Total surface area is `L^(2)(1+20alpha)`

C

Density is `d(1+30 alpha)`

D

Density is `dl(1+30 alpha)`

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