Exercise on expansion in solids — task. Science State Board, Class 10.

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Answer the following.

1. A Solid has a length L1 at temperature T1. The temperature is increased to T2. If

$α$ is the coefficient of linear expansion, the increase in length is given by ___________.

2. Some steel has a coefficient of linear expansion of

$11 \times 10^{- 6} K^{- 1}$ . A 200

$mm$ length of steel piping is heated through 150

$K$ . The pipe extends by .

$1$

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22. Exercise on expansion in solids