Question

Give Four properties of thermal expection in solid.​

Answer 1

It is a well-known phenomenon now that substances expand on heating and contract on cooling. If you heat a body, it alters its dimensions. Depending on the shape of the body.

The expansion can occur in length in which case it is called Linear Expansion.

If we take a square tile and heat it, the expansion will be on two fronts, length and breadth, here it is called Area Expansion.

If we take a cube and heat it, all its sides expand and now the body experiences an increase in the overall volume due to this and it is called Volume Expansion.