WAVES & OPTICS/ Light Intensity vs. Distance Experiment, EX-5547A
Complete solution to measure light intensity as a function of distance.
WHAT’S INCLUDED
- 1x 1.2 m Optics Track — Basic Optics
- 1x Basic Optics Light Source
- 1x Aperture Bracket
- 1x Hooked Mass Set
- 1x PASPORT High Sensitivity Light Sensor
- 1x PASPORT Rotary Motion Sensor
- 1x Dynamics Track Mount
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- Description
Description
In this experiment the student measures intensity as a function of distance from a point of source and from an extended (5 cm x 5 cm) source. Manipulation of a computer model verifies that for the point source, the intensity drops off like an inverse square. But for the extended source the data cannot be fit by an inverse square relationship.
PASCO Advantage: As the student slides the light sensor away from the Light Source, the Optics Track keeps everything aligned. The Rotary Motion Sensor measures the position, allowing the Intensity vs. Distance graph to be plotted in real time. Students immediately see the relationship between distance and intensity of light.
Designed for use with any of the following
- 850 Universal Interface
- 550 Universal Interface
- Any PASPORT interface with 2 ports
