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
-
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)