WAVES & OPTICS/ Speed of Light Experiment, EX-9932A
The complete solution for determining the speed of light using a laser light and a high speed rotating mirror.
WHAT’S INCLUDED
- 1x Complete Speed of Light Apparatus
- 1x Speed of Light Experiment Manual
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- Description
Description
The Speed of Light Experiment uses laser light and a high speed rotating mirror to determine this fundamental constant using the Foucault method.
Laser light passes through a series of lenses to produce an image of the light source at a measured position. The light is then directed to a rotating mirror, which reflects the light to a fixed mirror at a known distance from the rotating mirror. The laser light is reflected back through its original path and a new image is formed at a slightly different position. The difference between final/initial positions, angular velocity of the rotating mirror, and distance traveled by the light are then used to calculate the speed of light in air.
PASCO Advantage: PASCO’s Speed of Light Experiment allows students to experimentally measure the speed of light within 5% of the accepted value. In addition, the experiment can be performed on a desktop or in a hallway.
Concepts
- Determine the Speed of Light in Air
- Recreate Foucault’s Historical Experiment
