UIUC Physics Lecture Demo: Green & Red Lasers Through a Diffraction Grating

UIUC Physics
Lecture Demonstration
Database

Demo # 1044

Green & Red Lasers Through a Diffraction Grating

ID # 1044

Description:

A green and a red laser are lined up on top of each other and aimed at a diffraction grating. The center spots are lined up, but in the first order the red spot is farther out.

$Picture of Green & Red Lasers Through a Diffraction Grating$

Physics Concept:

Waves
Diffraction
Diffraction Patterns

The demonstration takes about 1 minute to perform.