Wave OpticsHard
Question
Figure shows plane waves refracted from air water using Huygen′s principle a, b, c, d, e, are lengths on the diagram. The refractive index of water w.r.t air is the ratio.
Options
A.a / e
B.b / e
C.b / d
D.d / b
Solution
From the snells law
1 × sin (90 - θ1) = μ sin θ2
1 ×
= μ × 
∴ μ = 
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