When visible light passes through a glass prism or a glass lens,which wavelengths of light are deflected most by the glass? (See Figures 3-1 and 3-20a,Comins,Discovering the Essential Universe,6th ed.)
A) the longer wavelengths
B) The light is not deflected by glass because glass is transparent.
C) All wavelengths have their directions changed by the same amount.
D) the shorter wavelengths

Question

Quizplus · Accepted Answer

The shorter wavelengths of light are deflected more by the glass, causing the phenomenon of dispersion where different colors of light are separated. This is what causes a rainbow when sunlight passes through raindrops, which act like tiny prisms.

When Visible Light Passes Through a Glass Prism or a Glass