Answer: A monochromatic light source is one that consists of many colors
Explanation:
Monochromatic comes from "mono - one, chromatic - color", so a monochromatic wave has only one wavelength, this means that it has only one color (while it may have different shades or tones). So the correct option is the second one "A monochromatic light source is one that consists of many colors "
The other 3 statements are true.