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Dispersion PHET - showmethephysics.com

Assessment

 

 

Review - Name the angle of incidence and the angle of refraction

 

 

About Light

| Onsite |

 

Newton proved that white light is a blend
of all the colors of the rainbow

 

 

 

White Light Animation

(Right Click, Save As)

Penn State

 

 

 

2. Dispersion – separation of polychromatic light into its component wavelengths (colors)



Wikipedia - Public Domain

 

 

Trivia

What famous album cover
has a prism on the front?
Their big hit?

 

 

 

Each Color has

A Different Wavelength

prism

 

NASA

 

 

Red - fastest
(slowed least),
bent least

Violet - slowest
(slowed most),
bent most


Lucas V. Barbosa

 

 

 

 

Dispersive Medium – medium in which the velocity of wave depends on frequency

(makes rainbows)

ex) Glass, water 

 

Nondispersive - Air

 

 

 

Refraction with
Polychromatic Light
(Angle, Index of refraction)
Molecular Expressions  - FSU

 

 

 

 

http://www.freeimages.co.uk/

 

 

 

Review

What is the name for this special kind of reflection?

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.

June 2014

The Nasty Feud Between Isaac Newton and Robert Hooke


Total Internal Reflection
/Dispersion Assessment

Wave Nature
of Light

 

Enrichment

Review Video

| Onsite |

 

Refraction/Dispersion Simulations

University of Utah

 

 

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