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Where must the angle of incidence and angle of refraction always be measured from?
A
The normal (the imaginary line at 90 degrees to the boundary).
B
The refracted ray (the transmitted ray beyond the boundary).
C
The boundary (the surface separating the two materials).
D
The incident ray (the incoming ray approaching the boundary).
Card 1 of 21
Refraction and total internal reflection Flashcards
21 flashcards on Edexcel A Level Physics Refraction and total internal reflection: the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3.