Question

22 a) A ray of light falls normally on a face of a glass slab. What are the values of angle of
incidence and angle of refraction?
b) For the same angle of incidence 45°, the angle of refraction in two transparent media!
and il is 20®and 30% respectively. Out of i and Il which medium is optically denser and why?
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Answer 1

Answer:

don't know what you want to ask