Question

The coefficient of volume expansion of a solids is than the coefficient of linear expansion, for the same amount of heat.

• A. greater
• B. smaller
• C. equal

Answer 1

The correct option is A greater

The coefficient of volume expansion is greater tahn the linear expansion It is in the ratio $\alpha :\gamma =1:3$
where $\alpha$ is the coefficient of linear expansion, and $\gamma$ is the coefficient of cubical expansion.
So, for the same amount of heat supplied to a solid object, the object expands more in volume than only in length or breadth.