Q. What is a laser? (Solved)
1. Electro-magnetic waves
2. Ultrasonic waves
3. Supersonic waves
4. Light amplification by stimulated emission of radiation
5. Green
- d. Light amplification by stimulated emission of radiation
1. Electro-magnetic waves
2. Ultrasonic waves
3. Supersonic waves
4. Light amplification by stimulated emission of radiation
5. Green