If you send white light through a prism to produce a spectrum,and then send 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 passes through a prism, it produces a spectrum of colors ranging from violet to red. If only the red part of that spectrum is sent through a second prism, it will continue to behave as red light and will not split into different colors again. Therefore, the output will be red light only.

If You Send White Light Through a Prism to Produce