Lęšiai
Quiz
•
Physics
•
8th Grade
•
Medium
VALERIJ SINIAVSKIJ
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kas yra lęšis?
Lęšis yra optinis elementas, kuris fokusuoja šviesą.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokios yra šių lęšių rūšys?
įgaubtieji ir sklaidomieji
suglaustieji ir prasklaidomieji
glaudžiamieji ir iškilieji
glaudžiamieji ir sklaidomieji
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pagrindinės lęšių charakteristikos:
skaidrumas ir vaizdo didinimas
židinio nuotolis ir laužiamoji geba
židinio nuotolis ir vaizdo iškreipimas
vaizdo iškreipimas ir skaidrumas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuris iš šių skaidrių kūnų yra natūralus lęšis?
akinių lęšis
akies lęšiukas
lango stiklas
fotoaparato objektyvo lęšis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ką matuojama dioprijomis?
Laužiamoji geba
Židinio nuotolis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lęšiai yra naudojami:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokį lęšį panaudojus galima uždegti laužą?
Išgaubtas lęšis
Sferinis lęšis
Glaudžiamasis lęšis
Plokščias lęšis
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