Question

A light ray incident along vector 2i^+4j^+5k^ strikes on
the x-z plane from medium l of refractive index } and
enters into medium 11 of refractive index M2. The value
of 2 for which angle of refraction becomes 900 is
(A) 435
(B) 35
(C) 235
(D) 335​

Answer 1

Answer:

ynrmum

Explanation:

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