If you send white light through a prism to produce a spectrum,and then send this entire spectrum through a lens to recombine it,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 gets dispersed into its constituent colors, producing a spectrum. This spectrum contains all the colors of the rainbow. When this spectrum is passed through a lens, the different colors converge back to form white light again. Therefore, the answer is C) white.

If You Send White Light Through a Prism to Produce