Läbipaistev keha, mis koondab või hajutab valgust?

8.kl Lääts ja kujutis

Quiz
•
Physics
•
8th Grade
•
Medium
Used 21+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Lääts
Peegel
Klaasprisma
Optiline kaabel
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Mis iseloomustab kumerläätse (2tk)?
hajutab valgust
koondab valgust
on keskelt paksem
on keskelt õhem
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt

Märgista nõgusläätse tingmärk!
4.
MULTIPLE SELECT QUESTION
0 sec • 1 pt
Kumerläätsega tekitatud kujutist konstrueerides peab kiir läbima 1) ........... 2) ............
läätse keskpunkti
läätse eseme poolset fookust
teisel pool läätse olevat fookust
teiselpool läätse olevat kahekordset fookust
5.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Silma osa, kuhu tekib kujutis?
sarvkest
lääts
võrkkest
silmaava
6.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Silma osa, mis reguleerib silma sattuva valguse hulka?
sarvkest
lääts
võrkkest
pupill
7.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Kuhu tekib terav kujutis lähedal olevatest esemetest kaugelenägija silmas?
võrkkestale
võrkkesta ette
võrkkesta taha
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