FormationSayniska

Experience darantahay - waxbarasho tijaabo ah aragti kelli-ogeed

In qeybtii labaad ee qarnigii sagaal iyo tobnaad, daraasadda of Brownian (qasan) mooshin ah u taagoo sababtay xiiso weyn oo ka mid ah physicists badan teori waqtiga. Developed by a saynisyahan Scottish James aragti Maxwell ee qaab-dhismeedka kelli-ogeed ee arrinta inkastoo ay guud ahaan la aqoonsaday ee bulshada sayniska ee yurub, laakiin waxaa jiray kaliya qaab khiyaali ah. No wax ku ool ah waxaa la xaqiijiyay ka dibna waxa aan ahaa. dhaqdhaqaaqa u taagoo hadhay geli karin in daawashada si toos ah iyo cabbirka ay xawaaraha muuqatay gudbi karin oo keliya arrin cilmi ah.

Taasi waa sababta tijaabo in kartaa ku dhaqanka si ay u caddeeyaan xaqiiqda ah ee qaab dhismeedka kelli maalkii iyo ogaado xawaaraha dhaqdhaqaaqa qayb ka ay la arki karin, markii hore arko aasaasiga ah. muhiimada ay muhiim ah tijaabooyinka sayniska sida jirka ahaa cad, sida ay u ogolaanaya in ay ka heli substantiation wax ku ool ah iyo caddaynta ansaxnimada mid ka mid ah aragtiyaha ugu horumarsan waqtiga - the-ogeed kelli.

By horrantii qarnigii labaatanaad, sayniska dunida ay gaareen heer ku filan oo horumarinta ah ee fursadaha dhabta ah ee xaqiijinta tijaabo ah aragti Maxwell ayaa. jirka Jarmal Otto darantahay 1920, codsanaya habka dogob kelli, kaas oo la been abuurtay by a France lui Dyunoye ee 1911, sanadka, maamushaa si loo cabbiro xawaaraha dhaqdhaqaaqa ee u taagoo gaaska lacag ah. Experience darantahay irrefutably cadaato ansaxnimada sharciga qaybinta Maxwell ayaa. Natiijada Tijaabada this xaqiijiyay qiimaynta aaminnimo ah macnaheedu velocities atamka oo ka fikrado khiyaali ah by Maxwell sameeyey biyaa. Run, oo ku saabsan nooca khibrad wayn Fadilid-xawaaraha sare darantahay ahaa awoodaan in ay ku siiyaan macluumaad aad u xoqdo. sayniska Faahfaahin dheeraad ah oo noqotay in ay sugaan sagaal sano oo kale.

Iyada oo sax weyn sharciga qaybinta eegi kartaa Lammert 1929, dhowr aragnimo fiicnaaday darantahay maraya dogobka kelli iyada oo labo ka mid ah cajaladood qoqobada, lahaa godad radial iyo mowjadda qaraabo midba midka kale xagal gaar ah. By kala duwan xawaaraha wareeg cutubkan iyo xagal u dhexeeya godadkii, Lammert la takooro yaabaa ka taagoo shakhsiga ah ee ku jirase aad, kaas oo ay leeyihiin qaab xawaaraha kala duwan. Laakiin waxay ahayd waayo-aragnimo ah ee darantahay calaamadsan bilowgii cilmibaarisyadii u tijaabo ah oo duurka ku ah aragtida kelli-ogeed.

In 1920 Mudanayaasha ugu horeysay ee tijaabo ah loo abuuray inay tijaabo noocan ah. Waxay ka koobnayd labo ka mid ah dhululubada, loogu talagalay shakhsi by darantahay. Inside qalabka loo dhigay platina ul dhuuban leh daahan oo lacag ah, oo waxaa la uumibixiyey by kulaylinta korontada dhidibka. xaaladaha vacuum ayaa loo abuuray gudahood unugga, dogob cidhiidhi ah atamka lacag qabtay tuuray dillaac gaadhya gooyaa iyada oo dusha sare ee dhululubo ah, oo degeen shaashad dibadda gaar ah. Dabcan, mishiinka waa in mooshin, iyo halka atamka ka gaaraan waqtiga dushiisa inuu ka soo leexdo dhex xagal gaar ah. Sidaas, ayna darantahay oo go'aamisay xawaaraha ay dhaqdhaqaaqa.

Laakiin waa guul cilmiyeed ee Otto darantahay ma aha oo kaliya. Sannad ka dib, ayuu Ciyaalle la Walter Gerlach sameeyay tijaabo ah, kaas oo xaqiijiyay joogitaanka wareejin ee atamka iyo in la caddeeyo xaqiiqda ah ee ay quantization da'ayeen. Darantahay-Gerlach tijaabo dalbaday in la aasaaso Mudanayaasha a tijaabo gaar ah oo leh awood magnet joogtada ah ee salkeeda. Under saameynta ay duurka ku magnetic ee ay this qayb awood Qurub hoose dhacday hanuuninta siday u kala wareejin magnetic gaar ah.

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