Surse de lumina. Reflexia luminii
Contine intrebari introductive despre sursele de lumina si reflexia luminii
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Question 1 of 10
1. 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
Incorrect
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Question 2 of 10
2. Question
1 pointsA doua lege a reflexiei se enunta astfel:Correct
Incorrect
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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 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
Incorrect
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Question 5 of 10
5. 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 6 of 10
6. Question
1 pointsCe valoare va avea unghiul de incidenta pe o oglinda plana, pentru ca raza reflectata sa fie perpendiculara pe cea incidenta?Correct
Incorrect
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Question 7 of 10
7. 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 8 of 10
8. Question
1 pointsConturul umbrei Pamantului pe suprafata Lunii, in timpul unei eclipse , are forma de:Correct
Incorrect
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Question 9 of 10
9. 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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Question 10 of 10
10. Question
1 pointsIn ce conditii un fir metalic poate fi sursa de lumina?Correct
Incorrect
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Examples of questions from "Surse de lumina. Reflexia luminii"
- Ce valoare va avea unghiul de incidenta pe o oglinda plana, pentru ca raza reflectata sa fie perpendiculara pe cea incidenta?
- Doi jucatori participa pe un stadion, la un meci in nocturna. Cate umbre exista in jurul unuia dintre ei?
- Raza incidenta face cu oglinda plana un unghi de 30 grade. Ce valoare va avea unghiul de incidenta?