Which one of the following correctly expresses the relation between the coefficient…

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

Which one of the following correctly expresses the relation between the coefficient of superficial expansion

\beta

and the coefficient of linear expansion

\alpha

for an isotropic solid? (a)

\beta = \alpha

(b)

\beta = 3\alpha

(c)

\beta = 2\alpha

(d)

\beta = \dfrac{\alpha}{2}