If the refractive index of a medium in air is 2... - JAMB Physics 1992 Question
If the refractive index of a medium in air is 2.0, what is the critical angle for this medium?
A
30o
B
42o
C
45o
D
50o
Ask EduPadi AI...
Correct Option: A
sin c = (\frac{1}{n}) = (\frac{1}{2})
c = sin-1((\frac{1}{n}))
= 30o
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