Question

Expansion of a substance on heating depends on:

• A. Nature of the substance
• B. Rise in temperature
• C. Both A and B
• D. Colour of the substance

Answer 1

The correct option is C Both A and B

Thermal expansion is the change in size of an object as its temperature changes, Normally as the temperature increases, the size of an object also increases. Hence expansion of a substance on heating depends on nature of substance and rise in temperature.