MHT CET 2022 Physics question

For occurring total internal reflection, which one of the following is correct statement? ( = angle of incidence, = critical angle)

(A)Ray travels from denser medium to rarer medium and Correct
(B)Ray travels from rarer medium to denser medium and
(C)Ray travels from rarer medium to denser medium and
(D)Ray travels from denser medium to rarer medium and

Answer: (A)

Solution

Total internal reflection needs two conditions: (1) light must travel from the optically denser to the optically rarer medium (only then does the ray bend away from the normal and a critical angle exist, ), and (2) the

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Question ID VK-095719