White light passes through a prism and separates into a spectrum of colors.All of these colors are recombined into a single beam by means of a lens.What color is this beam?
A) White
B) Black (there will be no light left)
C) It will be in the ultraviolet region of the spectrum.
D) It will be in the infrared region of the spectrum.

Question

Quizplus · Accepted Answer

When white light is passed through a prism, it is dispersed into different colors because each color bends at a slightly different angle. However, when these colors are brought back together by a lens, they recombine to form white light again. Therefore, the beam will appear white.

White Light Passes Through a Prism and Separates into a Spectrum