A cube made of a metal of linear expansivity is warmed through a temperature of t. lf the initial volume of the cube is V what is the increase in volume of the cube?
Volume expansivity(γ) = \(\frac{\text{ change in volume}}{\text{original volume x temp. change}}\)
\(\gamma = \frac{\Delta v}{V \times \Delta t}\)
But γ = 3 α
Δv = 3 x α x Δ t
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