Principle
When monochromatic light strikes a double slit, intensity minima and maxima appear behind it on a screen. The slit width and its slit centre distance can be determined from their positions at a known wavelength.
Benefits
- Curriculum-relevant DEMO Experiment in optics
- Equivalence to the corresponding student experiment
- Stable optical bench
- Compact, simple construction
Tasks
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Diffraction at a double slit