What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42?
a
21o
b
22o
c
23o
d
24o
Explanation
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Discussions (9)

FAECSB7610542
1 year ago
They'll just put questions like this to reduce your mark. MTCHEW. How do they expect us to solve sine inverse‽.

Ajalapreciousadeola
3 years ago
There is @Dami
n=1/sin C
nSinC=1
where n=2.42
2.42SinC=1
SinC=1/2.42
SinC=0.41322314
C=0.41333314/Sin
C=24.40746892°
C~24°


