Nature of Waves-P5
- Created by: Shannon
- Created on: 28-05-13 12:41
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- Nature of Waves
- Constructive interference-crest meets crest, increased amplitude, path difference (half wavelengths) is even
- In phase
- Destructive interference-crest meets trough out of phase, wave amplitudes cancel to give zero, path difference (half wavelengths) is odd
- Coherent light- in phase, same amplitude and frequency
- Polarisation of light-at right angles to the wave's motions
- All electromagne-tic waves can be plane polarised
- Polaroid glasses reduce glare
- Constructive interference-crest meets crest, increased amplitude, path difference (half wavelengths) is even
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