PURPOSE: To demonstrate laser diffraction with a human hair.
DESCRIPTION: Shining a laser across a human hair (mounted in a projectual, shown at left above) creates a characteristic diffraction pattern.
SUGGESTIONS:Enterprising students and instructors can examine the geometry of this setup and calculate the diameter of the provided hair. Click here for more details on how to perform this calculation (This web page was duplicated from http://www.fysikbasen.dk/English.php?page=Vis&id=87)
EQUIPMENT: Laser cart with mounted human hair.
SETUP TIME: None.
 |
 |
 |
 |
 |