A ray of light incident at an angle \(\theta\) in a rectangular prism grazes the surface of the prism on emerging from the prism. Determine the value of the angle. [Absolute refractive index of the material of the prism is 1.5]
a
41.8°
b
48.2°
c
60.8°
d
90.0°
Explanation
Correct Option
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Orthoguy
1 week ago
my school is wrong in this aspect
the answer is 90° because the refracted ray travels(graze) along the edge of the prism hence it is perpendicular to the normal 🤷
