WAEC - Physics (2011 - No. 17)
Which of the following equations shows how how the linear expansivity (\(\alpha\)) and the cubic expansivity (\(\gamma\)) of a material are related?
\(\gamma = \alpha\)
\(\gamma = 1 - \alpha\)
\(\gamma = 2 \alpha\)
\(\gamma = 3 \alpha\)
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