Question

The process due to which a given state of matter expands on the absorption of heat energy is called:

• A. Molecular expansion
• B. Matter expansion
• C. Thermal expansion
• D. thermal stretching

Answer 1

The correct option is C

Thermal expansion

C: Thermal expansion

1. Thermal expansion: The process due to which a given state of matter expands on the absorption of heat energy is called thermal expansion.
2. Due to thermal expansion every matter tends to change its state on having heat energy.

Hence, the correct answer is an option(C): thermal expansion.