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MOTION MOUNTAIN

LIGHT, CHARGES AND BRAINS - Motion Mountain

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220 5 electromagnetic effects<br />

TA B L E 17 (Continued) Selected matter properties related to electromagnetism.<br />

Property Example Definition<br />

blackness coal,graphite completeabsorptioninvisiblerange<br />

colour ruby absorptiondependingonlightfrequency<br />

metallic shine metal,doped crystals abilitytoactas ‘good’ mirror<br />

chromaticdispersion all materials phasespeedoflightdependson<br />

wavelength<br />

photostriction PbLaZrTi lightinduced piezoelectricity<br />

photography AgBr,AgI lightprecipitatesmetallic silver<br />

photoelectricity,<br />

photoeffect<br />

Cs currentflowsintovacuumduetolight<br />

irradiation<br />

internalphotoelectriceffect Sip–njunctions,solar voltagegenerationandcurrentflowdueto<br />

cells lightirradiation<br />

photondrageffect p-Ge currentinducedbyphotonmomentum<br />

transparency glass,quartz,diamond lowreflection,lowabsorption,low<br />

scattering<br />

reflectivity metals lightbouncesonsurface<br />

polarization elongated silver<br />

nanoparticlesinglass<br />

lighttransmissiondependingon<br />

polarizationangle<br />

opticalactivity sugardissolvedin rotationofpolarization<br />

water,quartz<br />

birefringence,linear<br />

dichroism<br />

calcite, cornea,thin<br />

polymersheets<br />

refractionindexdependsonlinear<br />

polarizationdirection,lightbeams aresplit<br />

intotwobeams<br />

circulardichroism aminoacids,andalusite absorptiondependsoncircular<br />

polarization<br />

optically induced<br />

anisotropy,Weigerteffect<br />

Comptoneffect<br />

AgCl<br />

optically inducedbirefringenceand<br />

dichroism<br />

changeofwavelength ofX-raysand<br />

gammaradiationcollidingwithelectrons<br />

momentum<br />

measurements<br />

electrochromicity wolframates colourchangewithappliedelectric field<br />

scattering gases,liquids lightchangesdirection<br />

Miescattering dustingases lightchangesdirection<br />

Raleighscattering sky lightchangesdirection,skyisblue<br />

Ramaneffect or molecular gases scatteredlightchangesfrequency<br />

Smekal–Raman effect<br />

switchablemirror LaH voltagecontrolled changefromreflection<br />

totransparency Ref. 190<br />

radiometereffect bi-coloured windmills irradiationturns mill(seepage118)<br />

luminouspressure idem irradiationturns milldirectly<br />

solarsaileffect future satellites motionduetosolarwind<br />

acousto-optic!effect TeO 2 , LiNbO 3 diffractionoflightbysoundintransparent<br />

materials<br />

Motion Mountain – The Adventure of Physics copyright © Christoph Schiller June 1990–November 2015 free pdf file available at www.motionmountain.net

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