Doppler Effect for Light

Doppler Effect
(Right Click, Save As)

There is a change in the observed frequency (color) of light as a very fast source of light moves toward or away from an observer

Doppler Shift

Doppler Shift. Red and blue shifts.
Light from moving objects will appear to have different ...
Ned Wright's home page. © 1996-2002 Edward L. Wright

Observed in
fast moving stars

Memory Trick

"BLUE TO",

"RED AWAY"

[ HTML5 ]
Show Me The Physics

Star color becomes redder

Star color becomes bluer

Same Element / Different Speeds

Absorption or Emission Spectra?

Travelling TOWARD or AWAY?

Which source is travelling fastest?

Enrichment

Rainbows in a Soap Bubble

by SoapbubbleDK

School Blocks YouTube? Download file below.

Bubble_Domes.mp4

The interference between the light waves that reflect off
the outside and inside of the bubble cause this effect.

Review

A crystal with Double Vision

Double refraction in calcite
- Each refracted ray has a different polarizati