Question

calculate the coefficient of linear thermal expansion of aluminium if the value of its coefficient of volume
expansion is 7.2x10^-5 k^-1
Why?​

Answer 1

Answer:

Diagonal = 12 cm

\begin{gathered}diagonal = \sqrt{2} x \\ .12 = \sqrt{2} x \\ x = \frac{12}{ \sqrt{2} } \\ x = \frac{ \sqrt{2} \times \sqrt{72} }{ \sqrt{2} } \\ x = \sqrt{72} .\end{gathered}

diagonal=

2

x

.12=

2

x

x=

2

12

x=

2

2

×

72

x=

72

.

hope it will be helpful

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Answer 2

Explanation:

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