A ray of light travels from an optically denser to a rarer medium θ. Maximum possible deviation is Maximum possible deviation if light travels from rarer to denser is
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a
2θ
b
θ2
c
θ
d
θ4
answer is B.
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Detailed Solution
denser to rarer, maximum deviation, d = (180 - 2C)θ = (180 - 2C) θ = 2(90 - C) → (1) If light travels from rarer to denser, i = 90o & r = Cd=(1−r)=(90−C),d=θ2→(2)