WAEC - Physics (2007 - No. 20)
A cube made of metal of linear expansivity \(\alpha\) is heated through a temperature \(\theta\). If the initial volume of the cube is Vo, the correct expression for the increase in volume of the cube is
\(\frac{1}{3} \alpha V_o \theta\)
\(\frac{1}{2} \alpha V_o \theta\)
\(2 \alpha V_o \theta\)
\(3 \alpha V_o \theta\)
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