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Dispersion PHET - showmethephysics.com
Assessment
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Review - Name the angle of incidence and the angle
of refraction
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About Light
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Newton proved that white light is a blend
of all the colors of the rainbow
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White Light
Animation
(Right Click, Save As)
Penn State
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2. Dispersion – separation of
polychromatic light into its
component wavelengths (colors)
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Wikipedia - Public Domain
Trivia
What
famous album
cover
has a prism on the front? Their
big hit?
Each Color has
A Different Wavelength
![prism](prism.gif)
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NASA
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Red
- fastest
(slowed least),
bent least
Violet - slowest
(slowed most),
bent most
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Lucas V. Barbosa
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Dispersive Medium – medium in which the velocity of wave depends on
frequency
(makes rainbows)
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ex) Glass, water
Nondispersive
- Air
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Refraction with
Polychromatic Light
(Angle, Index of refraction)
Molecular Expressions - FSU
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http://www.freeimages.co.uk/
Review
What is the name for this special kind of reflection?
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Wikipedia
Total internal reflection in a bar of PMMA.
The laser is HeNe laser
Review
Cross out all the ray diagrams that are incorrect. Justify your answers.
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June 2014
The Nasty Feud Between Isaac Newton and Robert Hooke
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Total Internal Reflection
/Dispersion Assessment
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Enrichment Review Video
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Onsite
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Refraction/Dispersion Simulations
University of Utah
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