Q3. If a light ray is incident on glass from air at angle 45°
and deviated at 15°, then find the critical angle for
glass-air surface.
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EXCELLENT QUESTION BUT I TOO DON'T KNOW THE ANSWER SO PLZ DON'T MIND
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Answer:
Calculate the critical angle for a glass air interface, if a ray of light incident in air on the surface is deviated through 15∘, when its angle of incidence is 40∘. C=sin-1(0.6579)=41.14∘.
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