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1、AtomicEmissionSpectraofHydrogenThomasEhretAdamCooke,MarcHnatyshinB.C.BoivinSPH4U,Grade12UniversityPhysics,RocklandDistrictHighSchoolFriday,April19th,2013.Introduction:ThegoalofthislabistoaccuratelymeasuretheenergyofvariouslightwavesfortheatomicemissionspectraofHydrogen.Figure1.TheElectromagneti
2、cSpectrumdemonstratingwavelengthsandfrequencies(Anonymous,2012).TheElectromagneticSpectrumisascalethatshowsthecorrelationbetweenwavelengthandfrequencyofallwaveswithelectromagneticradiation(SeeFigure1.).Whenthewavelengthoftheelectromagneticradiationwavesislarger,thefrequencyislower,andwhenthewav
3、elengthissmaller,thefrequencyishigher.TheradiationofthewaveswithhigherfrequencieslikeGammaRaysandX-Raystendtobethemostharmful.TheVisibleSpectrumportionoftheElectromagneticSpectrumistheonlypartofthescalethatthehumaneyecanwitness.Figure2.TheAtomicEmissionSpectraofHydrogen.Coloursshownfromthefourd
4、istinctfrequenciesgivenoff(Anonymous,HowOurBodyMightCollectInformation,2011).Figure3.TheAtomicEmissionSpectraofHydrogen.Coloursshownfromthefourdistinctfrequenciesgivenoff(Anonymous,HowOurBodyMightCollectInformation,2011).TheAtomicEmissionSpectradescribesthespecificfrequenciesemittedbyanatomwhen
5、itissubjecttohavingenergyinputtedintoit.Thiswasdiscoveredbecauseitwasfoundthatorbitsbecomequantizedandallowelectronstojumpfromorbittoorbit.Whentheorbittheyjumptohasmoreenergythantheoriginal,theelectronabsorbsaphotonwithaspecificfrequency,butwhenitjumpstoanorbitwithlessenergy,theelectrongivesoff
6、aphotonwithaspecificfrequency(Anonymous,atomicspectrum,2005).Aphotonisdescribedtobeaquantaoflightorinsimplerterms,aparticle.Itisapacketofenergythatmovesintheformofawavewhichmakeslightuniquetowardsotherwaves(Anonymous,PhotonsAsLightQuanta).Thespecificfrequenciesthatthesephotonsaregivingoffdiffer
7、Figure4.Planck’sconstantshowninanexamplewhereanelectronisjumpingtoanotherorbit(Norton,2013).fordifferenttypesofatomsandelements.Forexample,aHydrogenatomwillnormallygiveofffrequenciesthatdemonstratethecoloursred(λ=656.2nm),teal(λ=4
