Video: Vim li cas ib qho hluav taws xob volt A unit ntawm lub zog?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hauv high- zog physics, ua electronvolt feem ntau yog siv los ua ib tug chav tsev ntawm lub zog. Muaj peev xwm sib txawv ntawm 1 hluav taws xob ua an hluav taws xob kom tau nyiaj ntau zog (i.e., 1 eV). Qhov no ua rau muaj kev siv eV (thiab keV, MeV, GeV lossis TeV) li units ntawm momentum, rau lub zog muab cov txiaj ntsig hauv acceleration ntawm particle.
Ib yam li ntawd, nws raug nug, puas yog electron volt A unit ntawm lub zog?
Nyob rau hauv physics, lub hluav taws xob volt (symbol eV; kuj sau electronvolt ) yog a unit ntawm lub zog luas 1.602 × 10−19 joule (Si chav tsev J). Los ntawm txhais, nws yog tus nqi ntawm zog tau los ntawm tus nqi ntawm ib leeg hluav taws xob tsiv hla ib qho hluav taws xob muaj peev xwm sib txawv ntawm ib qho hluav taws xob.
Ib tug kuj yuav nug, dab tsi yog giga electron volt? Txog giga - hluav taws xob volt Cov giga - hluav taws xob volt , los yog gigaelectronvolt muaj , yog ib chav tsev ntawm lub zog sib npaug rau 1.60217656535 × 10-10 joules (1 GeV = 1.60217656535 × 10-10 J), SI derived unit of zog.
Ntawm no, vim li cas peb thiaj li siv chav tsev electron volts?
Astronomers siv electron volts ntsuas lub zog ntawm hluav taws xob hluav taws xob hluav taws xob, lossis photons, hauv x-ray thiab gamma-ray wavebands ntawm electromagnetic spectrum, thiab tseem siv electron volts los piav qhia txog qhov sib txawv ntawm atomic lossis molecular zog lub xeev uas ua rau muaj ultraviolet, pom, lossis kab infrared, lossis
Dab tsi yog units ntawm electron volts?
Electron volt, chav tsev ntawm lub zog feem ntau siv hauv atomic thiab nuclear physics, sib npaug ntawm lub zog tau txais los ntawm ib qho hluav taws xob (ib qho khoom siv hluav taws xob nqa hluav taws xob) thaum hluav taws xob muaj peev xwm ntawm electron nce los ntawm ib lub volt. Electron volt sib npaug 1.602 × 10−12 1.602 × 10−19 joule ua.
Pom zoo:
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Lub zog hluav taws xob hauv hluav taws xob yog dab tsi?
Los ntawm Wikipedia, dawb encyclopedia. Cov khoom siv hluav taws xob semiconductor yog cov khoom siv hluav taws xob siv hluav taws xob siv los hloov lossis hloov hluav taws xob hauv hluav taws xob hluav taws xob (piv txwv li hauv lub tshuab hluav taws xob hloov hluav taws xob). Cov cuab yeej zoo li no tseem hu ua lub tshuab hluav taws xob lossis, thaum siv hauv kev sib xyaw ua ke, lub zog IC