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Principle
When a laser beam falls on a grating, interference causes intensity minima and maxima to be formed behind the grating, and the wavelength of the laser beam can be determined from these positions.
Benefits
- Curriculum-relevant DEMO Experiment in optics
- Equivalence to the corresponding student experiment
- Stable optical bench
- Compact, simple construction
Tasks
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Determining the wavelength of a laser with an optical grating
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Digital learning
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