Fyzika 7 - Optika Ib.
Quiz
•
Physics
•
7th - 9th Grade
•
Practice Problem
•
Medium
Věra Učitelka
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak se šíří světlo?
jen ve vzduchu
přímočaře
po kružnici
jen v průhledném prostředí
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaká je rychlost světla?
300 000 m/s
300 000 km/h
300 000 km/s
300 000 m/h
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ráno, když svítí Slunce, dopadá náš stín na
sever
jih
východ
západ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V jaké fázi je Měsíc na obrázku?
couvá
dorůstá
blíží se k Úplňku
začíná zatmění Měsíce
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Člověk stojí 2 m od svislého zrcadla. Jak je daleko od svého obrazu?
2 m
1 m
4 m
6 m
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Úhel dopadu je 40°. Jaký úhel svírá dopadající a odražený paprsek?
20°
80°
40°
90°
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co není bod zakřiveného zrcadla?
vrchol
střed
ohnisko
osa
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