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A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is . The maximum possible deviation of the ray will be

a)

b)

c)

d)



Question ID - 152851 | SaraNextGen Top Answer

A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is . The maximum possible deviation of the ray will be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

When the ray passes into the rarer medium, the deviation is . This can have a maximum value of  for  and

When total internal reflection occurs, the deviation is , the minimum value of  being . The maximum value of

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