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Angle of Deviation in Prism

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Question

What is the angle of deviation of a light ray when it enters from a rarer medium to a denser medium? Take angle of incidence = $θ_{1}$ and angle of refraction = $θ_{2}$ .

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Solution

Deviation, $δ = θ_{1} - θ_{2}$

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Similar questions

Q. A light ray travels from optically denser medium to optically rarer medium, if the angle of incidence and refraction at point of incidence are

∠ i

∠ r

respectively, then find the angle of deviation in terms of

∠ i

∠ r

.

Q. Mark the correct statement/statements:
a) Angle of incidence is equal to angle of refraction
b) Angle of refraction is smaller than angle of incidence when light ray travels from rarer medium to denser medium.
c) Angle of refraction is greater than angle of incidence when light ray travels from denser medium to rarer medium.

Q. A light ray is incident from a denser medium on the boundary separating it from a rarer medium at an angle of incidence equal to the critical angle. What is the angle of refraction for the ray?

Total internal reflection of a ray of light is possible when the ( $i_{c}$ = critical angle, $i$ = angle of incidence)

Q. A ray of light enters from a rarer to a denser medium. The angle of incidence is

i

. Then the reflected and refracted rays are mutually perpendicular to each other. The critical angle for the pair of media is

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