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Al Tobias (wat4y) - Office: Rm. 201, (434) 924-0538 - Lab: Rm. 202, (434) 924-6800

Physics Demo Manual

Demonstrations are cataloged according to PIRA Bibliography

PLEASE REQUEST DEMOS WELL IN ADVANCE

Due to Physics Building renovations, the lead time to set up demo requests has increased due to the need to transport equipment across campus. Please be kind and let me know well ahead of time what you need.

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 Geometrical Optics
 Speed of Light
 1/r2 Demonstrator
  video  - Ray Optics Kit
 Confocal Mirrors
 Concave Mirror
  video  - Light The Match
 Disappearing Beaker
 String Model of Refraction
 Total Internal Reflection
 Steal the Light
 Light Pipe and Fiber Optics
 Water Light Pipe
 Thin Lenses with Objects
 Diffraction
 Interference
 Color
 Polarization
 The Eye

1/r2 Demonstrator

Purpose:

To demonstrate the inverse-square relationship of light intensity.

Procedure:

Set the light source so that it fills one square of the demonstrator. Double the distance between the source and the demonstrator and see the light fill 4 squares etc.