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Refraction by Lenses
We have already learned that a lens is a carefully ground or molded piece of transparent material that refracts…
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Image Formation by Lenses
The Anatomy of a Lens If a piece of glass or other transparent material takes…
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Mirages
Most of our discussion of refraction in this unit has pertained to the refraction of light at…
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Rainbow Formation
One of nature's most splendid masterpieces is the rainbow. A rainbow is an excellent demonstration…
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Interesting Refraction Phenomena
Dispersion of Light by Prisms In the Light and Color unit of The Physics Classroom Tutorial, the visible light…
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The Critical Angle
In the previous part of Lesson 3, the phenomenon of total internal reflection was introduced. Total…
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Total Internal Reflection
A common Physics lab is to sight through the long side of an isosceles triangle…
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Ray Tracing and Problem-Solving
In a previous part of Lesson 2, we learned about a mathematical equation relating the two…
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Snell’s Law
Refraction is the bending of the path of a light wave as it passes across the…
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The Mathematics of Refraction
The Angle of Refraction Refraction is the bending of the path of a light wave as…