About how much light is reflected from a glass or water surface if the incident light is perpendicular to the surface?
Answer a. No light is reflected.
b. Less than 1%.
c. About 5%.
d. About 30%.
1
Expert's answer
2013-01-31T10:03:13-0500
The reflection coefficient for reflection at normal incidence for glass (n=1.5) - air (n=1) interface is equal to 4% (from the Fresnel equations).
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