Wc-1 Moire Patterns
Published: Tuesday 14 March 2006 - Updated: Wednesday 30 March 2011
Aim
To demonstrate interferance using Moire patterns.
Apparatus
- Overhead Projector
- Moire Patterns as shown
Diagrams
Click on pictures to enlarge.
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Moire Patterns Diagram |
Description
The Moire' patterns used in the demonstration consist of a series of regularly spaced concentric circles, each circle representing a wavefront emanating form a source. Placing two similar Moire' patterns above each other on the overhead projector produces a visual representation of interference.