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Optica Geometrica

Optica Geometrica Partea I. Creat de Dogari Andreea

QuestionAnswer
Reflexia luminii Schimbarea directiei de propagare rectilinie la suprafata de separatie a doua medii prin intoarcerea ei in mediul din care vine
Oglinda plana suprafata plana, neteda si lucioasa care reflecta bine lumina
Legea I a reflexiei luminii Raza incidenta si raza reflactata se afla in acelasi plan cu perpendiculara coborata in punctul de incidenta al razei de lumina pe suprafata reflactoare
Legea II a reflexiei luminii Unghiul de reflexie este egal cu unghiul de incidenta
Imagine virtuala imaginea obtinuta la intersectia razelor reflectate
Refractia luminii schimbarea directiei de propagare a luminii la trecerea ei prin suprafata de separatie a doua medii transparente
Legea I a refractiei luminii raza incidenta, raza refractatasi perpendiculara coborata in punctul de incidenta al razei de lumina pe suprafata de separare a celor doua medii se ala in acelasi plan
Legea II a refractiei luminii raportul dintru sinusul unghiul de incidenta si sinusul unghiukui de refractie este o marime constanta pentru doua medii
Reflexia totala a luminii fenomenul in care se reflecta totalmente de la suprafata de separare a doua medii transparente
Lentila Sferica corpul transparent marginit de doua suprafete dintre care cel putin una e sferica
Lentila Convergenta lentila care este mai groasa la mijloc decat la periferii
Lentila Divergenta lentila care este mai groasa la periferii decat la mijloc
In lentila divergenta, imaginea unui obiect este este vituala, dreapta si micsorata
Dioptria este puterea optica a unei lentile a carei distanta focala este egala cu 1m
Created by: Andreaa Dogari
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