A rectangular glass slab having refractive index√3 is silvered at one surface as shown in figure. Light ray will deviate by angle _____when it cross the glass slab.
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Answer:
δ =120°
Explanation:
Given that
θ=30°
if wall does not present then the light will follow a-b-c path but due to wall it deviate from original path and known as deviation of ray.
lets take deviation angle is δ.
We know that
θ + δ = 180°
θ=30°
δ = 180° - 30°
δ =120°
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