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Mini-Quiz: Snell's Law for the Refraction of Light

by Ron Kurtus (revised 8 September 2005)

Take this Mini-Quiz to check your understanding of the lesson material.



1. What is the purpose of Snell's Law?

To calculate what the refracted angle is

To prevent light from being refracted

To show how sine waves travel

2. What does arcsin(X) mean?

The sine whose arc is X

The same as sin(X)

The angle whose sine is X

3. How could the critical angle of refraction bother a fish?

The fish does not know how to calculate a sine

The fish could not see out of the water at certain angles

The fish could not be seen by someone outside the water

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.


Always do your best


Resources and references

Ron Kurtus' Credentials

Websites

Refraction of Light - From the University of Missouri

Physics Resources

Books

Schaum's Outline of Optics by Eugene Hecht; McGraw-Hill (1974) $16.95

Introduction to Modern Optics by Grant R. Fowles; Dover Publications (1989) $16.95

Optics by Eugene Hecht; Addison Wesley (2001) $108.00 - Textbook covers wave motion, electromagnetic theory, propagation of light, geometrical optics, superimposition of waves, polarization, interference, diffraction, fourier optics and lasers


Questions and comments

Do you have any questions, comments, or opinions on this subject? If so, send an email with your feedback. I will try to get back to you as soon as possible.


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