Question

On what factors does the thermal expansion of solids depend? Explain.

Answer 1

Thermal expansion of solids depends on the following three factors:

1. Initial dimension of solid - It refers to the initial original length of the solid in which the temperature rise occurs.
2. The rise in temperature - The amount by which temperature increases influence the amount of expansion taking place.
3. Nature of the material - Thermal expansion also depends upon the material of the solid being considered. Also, the thermal (heat) properties of the solid play an important role.