A cube made of metal of linear expansivity \(\alpha\) is heated through a temperature \(\theta\). If the initial volume of the cube is V_o, the correct expression for the increase in volume of the cube is

A.

\(\frac{1}{3} \alpha V_o \theta\)

B.

\(\frac{1}{2} \alpha V_o \theta\)

C.

\(2 \alpha V_o \theta\)

D.

\(3 \alpha V_o \theta\)

Correct answer is D

No explanation has been provided for this answer.

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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