Izibonelo ezimbili zemibuzo yokukhulisa ingilazi
1. Uma into ibonwa ngengilazi ekhulisayo esikhaleni II, isithombe esitholiwe sizobonakala...
A. kucace
B. akucaci
C. okungabonakali
D. akucaci
Ingxoxo
Isikhala sento:
Isikhala I = phakathi kwelensi nendawo yokugxila
Isikhala II = phakathi kwendawo egxile kanye nendawo ephakathi yokugoba kwelensi
Isikhala III = ngemuva kwephuzu eliphakathi lelensi eligobile
Ingilazi yokukhulisa yenziwe nge ilensi eqondile. Ukuze iso lomqaphi libone isithombe ngengilazi yokukhulisa, isithombe kumele sibe ngesoqobo. Isithombe sibonakala ngesoqobo uma isithombe siphambi kwengilazi yokukhulisa noma ohlangothini olufanayo nento, njengasesithombeni ngakwesokudla. Isithombe sibonakala ngesoqobo, ngakho-ke ibanga (ama) lento kumele libe lincane kunobude bokugxila (f). Uma ibanga lento lincane kunobude bokugxila, into itholakala phakathi kwelensi nendawo yokugxila (isikhala I).
Ngakho-ke kungaphethwa ngokuthi lapho into ebonwa ngengilazi ekhulisayo isesikhaleni sesi-II, kuzotholakala isithombe esicacile.
Impendulo efanele ngu-A.
2. Into ibonwa ngengilazi yokukhulisa. Uma umbukeli enza umsebenzi ngeso elingawuvumeli, khona-ke indawo efanele yento…
Ingxoxo
Ingilazi ekhulisayo ilensi eqondile. Njengoba kuboniswe esithombeni esingezansi, uma ibanga lento lilingana nobude be-focal, isithombe singaphakathi futhi singokoqobo. Isithombe singokoqobo ngoba asidluliswanga yi-light beam kodwa sibonakala sinjalo.
Iphuzu elikude leso nomaI-mal ayipheli futhi uma iso libona isithombe esibonakalayo kude kakhulu, iso alihlali noma lisesimweni esincane sokuphumula, lapho imisipha yeso ethambile isesimweni esikhululekile kakhulu. Ukuze kufezwe lokhu, ibanga phakathi kwento nengilazi ekhulisayo kumele lifane nobude obuqondile bengilazi ekhulisayo.
Impendulo efanele ngu-A.
Umthombo wombuzo:
Imibuzo Yokuhlolwa Kazwelonke Yesayensi Yesikole Samabanga Aphansi/Isikole SamaSulumane Samabanga Aphakeme
