if we gradually increase the angle of incidence of a light passing through prism then...
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angle of deviation increases but after certian value of incident angke deviation angle decreases
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B is the correct answer
faizan2040:
somone has tell c is right
It is wrong because both angles are indirectly proportional
no bro
angle of deviation is increasing till incidence is less that 90
0 sorry not 90
as it goes in negative it decreases
i mean refration decreases
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