PIRA 6D20.10 - Interference: Different Number of Slits and Laser

Photo Shows the Demonstration Used by the University of Texas at Austin.

Demo Staff: The laser should be shinning through the double slit portion of the slide.

Instructions / Notes:

A slide with a double slit, triple, then a four and five slit opening is placed on an adjustable stage.

After showing the diffraction pattern for a double slit, rotate the knob on the adjustable stage to show the patterns for 3, 4 and 5 slits.

- Last Update 9/2016 - University of Texas at Austin Physics Dept. - All Rights Reserved.