Hello,
Given that,
Angle of refraction = 30 degrees = r
Refractive Index = √ 3
Let, Angle of Incidence = i
We know that,
Refractive index = sin i / sin r
So, √ 3 = sin i / sin 30
So, √ 3 = sin i / ( 1 / 2)
So, sin i = √ 3 / 2
So, i = 60 degrees
Hence, angle of incidence is 60 degrees
Best Wishes
Question : The _______ of a ray is the angle measured from the reflected ray to the normal surface.
Option 1: Angle of Diffusion
Option 2: Angle of Reflection
Option 3: Angle of Incidence
Option 4: Angle of Refraction
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