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  4. If the coefficient of linear expansion of a solid is 0.00009. Its coefficient of volume expansion is :

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Q. If the coefficient of linear expansion of a solid is $0.00009$. Its coefficient of volume expansion is :

Haryana PMTHaryana PMT 2002

Solution:

Coefficient of Linear Expansion $(\alpha)=0.0009$
Relation between coefficient of linear expansion $(\alpha)$ and that of volume expansion $(r)$ is given by -
$r=3 \alpha$
$\Rightarrow r =3 \times 0.00009$
$\therefore r =0.00027$