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2.3 sinaTlis Zala. ganaTebuloba<br />
wyaros sinaTlis I Zala ewodeba sidides, romelic tolia sinaTlis F<br />
nakadisa da im sxeulovani w kuTxis fardobisa, sadac es nakadi vrceldeba:<br />
. (1)<br />
wertilovani wyaros sinaTlis Zala ganisazRvreba formuliT:<br />
. (2)<br />
<br />
1. axseniT (2)-is marTebuloba.<br />
SI-Si sinaTlis Zalis erTeuli ZiriTadi erTeulia. esaa 1 kandeli (1 kd).<br />
fotometriuli sidideebis ZiriTad erTeulad sinaTlis Zalis erTeulis<br />
arCeva ganpirobebulia imiT, rom etalonis Seqmna am sididisaTvis yvelaze<br />
martivia. sinaTlis Zalis erTeulis etalonis rols (1 kd) asrulebs<br />
specia luri gamomsxivebeli.<br />
sinaTlis nakadis erTeulad miRebulia 1 lumeni (1 lm).<br />
(1) ⇒ 1 lumeni aris 1kd sinaTlis Zalis wertilovani wyaros mier<br />
erTi steradianis tol sxeulovan kuTxeSi gamosxivebuli sinaTlis<br />
nakadi.<br />
ganmartebis Tanaxmad, wertilovani wyaros sinaTlis Zala yvela<br />
mimarTulebiT erTi da igivea.<br />
<br />
2. rogor fiqrobT, erTnairia Tu ara varvaris naTuras<br />
sinaTlis Zala sxvadasxva mimarTulebiT?<br />
pasuxi daasabuTeT.<br />
3. daasaxeleT mowyobiloba, romelic sinaTlis wyaros sinaTlis nakads<br />
mcire sxeulovani kuTxiT mimarTavs erTi mimarTulebiT? rogor<br />
icvleba am mimarTulebiT sinaTlis Zala?<br />
4. rogoria dakvirvebebiT miRebuli Tqveni gamocdileba: sinaTlis<br />
wyaro _ magidis centris zemoT dakidebuli varvaris naTura _ magidis<br />
zedapirs Tanabrad anaTebs?<br />
5. Tanabrad ganaTdeba magidis zedapiri, Tu mis zemoT sinaTlis<br />
wertilovan wyaros movaTavsebT?<br />
ganaTebuloba E ewodeba sidides, romelic tolia raime zedapirze<br />
dacemuli sinaTlis F nakadisa da am zedapiris S farTobis fardobis.<br />
. (3)<br />
34<br />
ganaTebulobis erTeulad SI-Si miRebulia 1 luqsi (1 lq).<br />
1 luqsi ganaTebulobaa, romelsac gvaZlevs 1 m 2 farTobze Tanabrad<br />
ganawilebuli 1 lumeni sinaTlis nakadi.
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