Dispersion

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

Dispersion PHET - showmethephysics.com

About Light

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

White Light Animation

(Right Click, Save As)

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

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

Review

What is the name for this special kind of reflection?

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

Enrichment

Review Video

University of Utah