Question

Q.42
A ray incident at a slab at angle 10° as shown
in figure. Find angle of emergent 0.
u = 1.2 u = 2 u = 2 v3 u = 4
10
Liquid
u = 4.1
Liquid
u = 4.1
10°​

Answer 1

${(cosec theta + cot theta) ^2 = sec theta +1 / sec theta - 1}$

Answer 2

Answer:

10 degree

Explanation:

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