Surse de lumina. Reflexia luminii
Contine intrebari introductive despre sursele de lumina si reflexia luminii
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Multi Eyes conceived a plan to paralyze all education in the country. They will throw with giant space rocks towards all the schools. It will be a disaster. Victimes, chaos. You have to stop them. Good luck! If you want to save your points and appear in the Kidibot charts, you must be logged in. Create here an acount or login.
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Question 1 of 10
1. Question
1 pointsCe valoare va avea unghiul de incidenta pe o oglinda plana, pentru ca raza reflectata sa fie perpendiculara pe cea incidenta?Correct
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Question 2 of 10
2. Question
1 pointsConturul umbrei Pamantului pe suprafata Lunii, in timpul unei eclipse , are forma de:Correct
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Question 3 of 10
3. Question
1 pointsDoi jucatori participa pe un stadion, la un meci in nocturna. Cate umbre exista in jurul unuia dintre ei?Correct
Incorrect
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Question 4 of 10
4. Question
1 pointsCate raze reflectate sunt posibile pentru o raza incidenta data care cade pe o oglinda plana?Correct
Incorrect
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Question 5 of 10
5. Question
1 pointsIn ce conditii un fir metalic poate fi sursa de lumina?Correct
Incorrect
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Question 6 of 10
6. Question
1 pointsCe valoare poate avea unghiul de reflexie, daca raza incidenta nu este perpendiculara pe o oglinda plana?Correct
Incorrect
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Question 7 of 10
7. Question
1 pointsA doua lege a reflexiei se enunta astfel:Correct
Incorrect
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Question 8 of 10
8. Question
1 pointsUn obiect se afla la distanta de un metru de o oglinda plana. La ce distanta se va afla imaginea sa fata de oglinda?Correct
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Question 9 of 10
9. Question
1 pointsCe valoare are unghiul de incidenta, daca raza reflectata de o oglinda plana face un unghi de 90 grade cu raza incidenta?Correct
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Question 10 of 10
10. Question
1 pointsRaza incidenta face cu oglinda plana un unghi de 30 grade. Ce valoare va avea unghiul de incidenta?Correct
Incorrect
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Examples of questions from "Surse de lumina. Reflexia luminii"
- Ce valoare are unghiul de incidenta, daca raza reflectata de o oglinda plana face un unghi de 90 grade cu raza incidenta?
- Cate raze reflectate sunt posibile pentru o raza incidenta data care cade pe o oglinda plana?
- Conturul umbrei Pamantului pe suprafata Lunii, in timpul unei eclipse , are forma de:
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