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talRis wrfivi gavrcelebidan gadaxvevas,<br />

mis mier dabrkolebis Semovlis<br />

difraqcia (laTinuri) _<br />

datexili.<br />

movlenas, difraqcia ewodeba.<br />

difraqcia iseve damaxasiaTebelia nebismieri talRuri procesisaTvis,<br />

rogorc interferencia. difraqciis dros talRuri zedapiris gamrudeba<br />

xdeba dabrkolebis kideebTan.<br />

dadgenilia: difraqcia mkveT rad gamosaxulia maSin, rodesac dabrkolebaTa<br />

zoma talRis sigrZeze naklebia an misi rigisaa.<br />

ugrZesi talRebi, romelsac adamianis yuri aRiqvams ≈20 m-ia, xolo<br />

umoklesi ≈17 mm.<br />

sinaTlis ugrZesi talRis sigrZe, romelsac adamianis Tvali aRiqvams,<br />

8 . 10 -7 m-ia, umoklesi – 4 . 10 -7 m.<br />

<br />

3. rogoria Tqveni azri, bgeriT talRas aqvs dabrkolebis<br />

Semovlis unari? moiyvaneT varaudis damadasturebeli<br />

magaliTi.<br />

4. aqvs unari sinaTles, gars Semouaros xes? pasuxi daasabuTeT.<br />

5. Tu sinaTle talRaa, maSin garkveul pirobebSi mainc xom unda<br />

moxdes sinaTlis difraqcia?<br />

1802 wels iungma sinaTlis difraqciaze<br />

Caatara klasikuri cda (sur. 41.1).<br />

gaumWvir ekranSi man erTmaneTis axlos<br />

S 1<br />

da S 2<br />

nas vreti gaakeTa. es nasvretebi<br />

gaanaTa sinaT lis viwro koniT, romelic,<br />

Tavis mxriv, meore ekranSi gakeTebuli<br />

patara S nasvre tidan gamodioda.<br />

sur. 41.1<br />

<br />

6. faravs Tu ara nawilobriv erTmaneTs S 1<br />

da S 2<br />

nasvretebidan<br />

gamosuli sinaTlis talRebi?<br />

cda gviCvenebs, rom im areSi moTavsebul mesame ekranze, sadac S 1<br />

da<br />

S 2<br />

xvrelebidan gamosuli sinaTle erTmaneTs kveTs, gamoCnda erTmaneTis<br />

paraleluri, lamazi, erTmaneTSi TandaTan gardamavali, sxvadasxva elferis<br />

cisartyelasebri zolebi.<br />

roca iungma erT-erTi nasvreti daxura, interferenciuli suraTi gaqra.<br />

swored es miuTiTebs sinaTlis difraqcias. iungma am cdis meSveobiT Se­<br />

Zlo gaezoma sxvadasxva feris sinaTlis Sesabamisi talRis sigrZe, Tanac<br />

sakmaod zustad.<br />

sinaTlis difraqcia _ sinaTlis talRuri bunebis kidev erTi dadasturebaa.<br />

<br />

7. ratom aris Zneli sinaTlis difraqciis cdiT aRmoCena?<br />

41

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