Question

please help to solve this question​

Answer 1

Coefficient of Linear Expansion ( alpha ) : It is the increase in the length of a metal rod on heating.

Coefficient of Cubical expansion ( Gamma ) : It is the increase in the volume of block on heating.

RELATION BETWEEN LINEAR EXPANSION AND CUBICAL EXPANSION ;

a (Alpha) / 1 = Y ( Gamma ) /3

3 alpha = Gamma.