Physics Notes (Introduction) Chapter 1: X class

Q.12. What branch of Physics do we mean by Electronics?

Ans: Electronics is the branch of Solid State Physics.

Q.13. In what areas Laser is used?

Ans.

• It is used in Medicines, like surgery of eyes.
• It is used in the accurate cutting of metals.
• It is used in communication like space communication.
• It is used in scientific research.
• It is used as a detector of certain type of air pollution.