If one sends white light through a prism to produce a spectrum, and then sends the red part of that spectrum through a second prism, the result will be
A) red.
B) yellow.
C) white.
D) black (no light).

Question

Quizplus · Accepted Answer

When white light is passed through a prism, it disperses into its component colors (spectrum) due to different degrees of bending for different wavelengths. Sending the red part of this spectrum through another prism does not change its color; it remains red because it is already a monochromatic light and cannot be further dispersed into other colors.

If One Sends White Light Through a Prism to Produce