Question

A solid in which thickness can be neglected as compared to its surface area, increase in area on heating is called ........

• A. Volume expansion
• B. Cubical expansion
• C. Superficial expansion
• D. All

Answer 1

Answer: (C)

Superficial expansion

If a solid is in the form of a plate, such that its thickness can be neglected as compared to its surface area, then increase in are on heating is called superficial expansion.