Question

Figure shows a ray of light as it travels from medrum A to medium B. Refractive
index of the medium B relative to medium A is
$\frac{ } } }{?}$

a) under root 3 by under root 2
b) under root 2 by under root 3
c) 1 by under root 2
d) under root 2​

Answer 1

Explanation:

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