Q. Which of the following is not the main characteristic of laser beam?
A) High irradiance
B) High divergence
C) Highly monochromatic
D) Highly coherent
Explanation
(c) Laser beam is almost perfectly parallel and have low divergence.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.