Question

What are monochromatic lights?​

Answer 1

Explanation:

Monochromatic light is light (optical radiation) where the optical spectrum contains only a single optical frequency. The associated electric field strength at a certain point in space.

Answer 2

A monochromic image is composed of one color. The term monochrome comes from the Ancient Greek: μονόχρωμος, romanized: monochromos, lit. 'having one color'. A monochromatic object or image reflects colors in shades of limited colors or hues. Images using only shades of grey are called grayscale or black-and-white.