When a pulse of white light is incident on a glass prism, the first color to emerge is
A)red.
B)orange.
C)green.
D)violet.

Name: When a pulse of white light is incident on a glass prism, the first color to emerge is A)red. B)orange. C)green. D)violet.
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Question

Quizplus · Accepted Answer

This is because red light has the longest wavelength and is therefore the least refracted by the prism, while violet light has the shortest wavelength and is the most refracted, so it emerges last.

When a Pulse of White Light Is Incident on a Glass