Published by:
CGP EDU Academic Team
Published on: August 14, 2026
When light of particular wavelength falls on a plane surface at an angle of incidence 
, then the reflected light becomes completely plane polarised. Find the refractive index of surface material and the angle of refraction through it.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Using Brewster's law, 
At this condition, 
Angle of refraction, 
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