Question

There is a change in the size of the body due to heating.

• A. True
• B. False

Answer 1

The correct option is A True

1. Heat is a form of energy that flows from one body to another due to temperature differences between them when they are brought in contact.
2. Heat affects the state of matter and dimensions. The objects expand on heating.
3. This means, there is an increase in the length, area, and volume of the object.
4. This change in the size of the body due to heat is thermal expansion.

Thus, the given statement is true.