Question

What happens when a metal is heated?

• A. Vibration of atoms increases.
• B. Vibration of atoms decreases.
• C. Vibration of atoms remains constant.
• D. Vibration of atoms breaks the metal.

Answer 1

The correct option is A

Vibration of atoms increases.

When a metal is heated, atoms gain energy and start vibrating. More the heat,more will be the vibration.