You could determine the index of refraction for visible light of a dark but reflective medium such as black glass by measuring the:
A) angles of incidence and refraction.
B) angle of reflection for an arbitrary angle of incidence.
C) angle at which reflected light is completely polarised.
D) smallest angle at which X-ray diffraction occurs in the glass.
E) smallest angle at which diffraction occurs for visible light when a diffraction pattern is scratched onto the surface.
Correct Answer:
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