4.10 - Polarisation

wondersnail
Mind Map by wondersnail, updated more than 1 year ago
wondersnail
Created by wondersnail almost 6 years ago
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Physics HL (4 - Simple Harmonic Motion and Waves) Mind Map on 4.10 - Polarisation, created by wondersnail on 03/23/2014.

Resource summary

4.10 - Polarisation
1 11.5.1
1.1 Polarised wave- A transverse wave which is only vibrating on a single plane
2 As light is reflected by a surface, some of it is polarised but I don't know how.
3 Brewster's law
3.1 When the angle between the relfected ray and the refracted ray is 90 degrees, polarisation is 100%
4 Polariser- The first thingy that makes the wave one-planed Analyser- the second thingy which makes the wave something else, depending on the angle between it and the polariser
5 Optically active substance- solutions which can rotate the plane of polarisation, e.g. sugar solution
6 Some plastics become optically active when put under stress (force), causing different colours to appear when different amount of force is applied to the plastic, as they rotate differently.
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