Physics Review Question|
Year: 1993 Question#: 93
Question: The diagram below shows the refraction of the blue and red components of white light beam.
(1 ) total internal reflection
(2 ) critical angle reflection
(3 ) spherical aberration
(4 ) chromatic aberration
What is this question really asking?
Explanation by: JM
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total internal reflection
total internal reflection dose not change colors when light travels through. return to top
critical angle reflection
this is not a diagram for critical angle. return to top
Spherical aberration does occur with lenses, but it does not occur because of color. Rays that strike the outer points of a lens do not quite refract to the same point as other rays. return to top
Remember that "chroma" has to do with light. White light disperses (breaks into colors) whenever it refracts. return to top
What's this question really asking?
Why does white light become blue and red when it travels through the lens?
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