LED light is not damaging to your eye like a laser can be because
A) laser light is coherent while LED light is not.
B) laser light is monochromatic while LED light is not.
C) laser light is polarized.
D) laser light travels faster.

Question

Quizplus · Accepted Answer

Laser light is coherent, meaning the light waves are in phase and can focus on a small area, causing potential damage. LED light is not coherent, so it spreads out and is less intense.

LED Light Is Not Damaging to Your Eye Like a Laser