Foundation
Physics
Thermal Expansion
Question
A non-isotropic solid metal cube has coefficients of linear expansion as : 5 × 10–5 /°C along the x-axis and 5 × 10–6 /°C along the y and the z-axis. If the coefficient of volume expansion of the solid is C × 10–6 /°C then the value of C is …….. .
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Solution
V = 2α2 + α1
= 10 × 10–6 + 5 × 10–5
= 60 × 10–6 /°C