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sinaTlis sxvadasxva nakadze najerobis denisa da 1 wm-Si nivTierebidan<br />
amotyorcnili fotoeleqtronebis raodenobebis gansazRvris Sedegad<br />
Camoayalibes fotoefeqtis pirveli kanoni.<br />
sinaTlis mier liTonis zedapiridan erT wamSi amoglejili fotoeleq<br />
tronebis raodenoba am droSi STanTqmuli sinaTlis energiis<br />
propor ciulia.<br />
kaTodi mivuerToT denis wyaros dadebiT poluss, anodi uaryofiTs.<br />
maSin fotoelementSi eleqtruli veli mimarTulia kaTodidan anodisken.<br />
kaTodidan amotyorcnil eleqtronebze eleqtruli veli moqmedebs<br />
kaTodisken mimarTuli damamaxruWebeli ZaliT. SevinarCunoT kaTodze<br />
dacemuli sinaTlis nakadi ucvlelad da nulovani Zabvidan daviwyoT<br />
Zabvis TandaTanobiT gadideba ise, rom kaTodis potenciali dadebiTi<br />
iyos, anodis _ uaryofiTi.<br />
<br />
5. rogoria Tqveni azri, rogor Seicvleba fotodeni?<br />
pasuxi daasabuTeT.<br />
garkveul U S<br />
Semakavebel Zabvaze udidesi<br />
kinetikuri energiis fotoeleqtronebic ver<br />
miaRweven anods da kaTodze dabrundebian. fotodeni<br />
nuls gautoldeba.<br />
55.2 suraTze gamosaxulia fotodenis Zabvaze<br />
damokide bulebis grafiki. Tu gavzomavT Sema kavebel<br />
Zabvas da gamo viyenebT Teoremas kinetikuri<br />
energiis Sesaxeb, SevZlebT ganvsazRvroT fo toeleqtronebis<br />
maqsimaluri kinetikuri energia:<br />
m<br />
= eU , (1)<br />
2 v2 S<br />
sur. 55.1<br />
sadac m eleqtronis masaa, e _ eleqtronis<br />
I<br />
muxtis mo duli, v fotoeleqtronis maqsimaluri<br />
siCqare kaTodidan amotyorcnis momentSi.<br />
I H<br />
fotoelementis kvarcis `sarkmelSi~ gaatares<br />
sxvadasxva feris sinaTle. yvela SemTxvevaSi<br />
gazomes U S<br />
Zabva da (1)-dan gansazRvres fo toeleqtronebis<br />
maqsimaluri kinetikuri ener gia. U S U<br />
daadgines, rom liTonis zedapiridan sinaT lis<br />
sur. 55.2<br />
moqmedebiT amotyorcnili fotoeleqtronebis<br />
siCqare ar aris damo kidebuli ganaTebulobaze. igi damokidebulia<br />
sinaTlis talRis sixSireze. cdis Sedegebis analiziT daadgines<br />
fotoefeqtis meore kanoni:<br />
fotoeleq tronebis maqsimaluri kine tikuri energia wrfivad izrde<br />
ba sinaTlis sixSiris zrdasTan erTad da ar aris damo kidebuli<br />
sinaTlis siZliereze.<br />
55
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