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Pinky Mittal
Asked: 2022-11-03T19:28:48+05:30 In:

Light wave enters from medium 1 to medium 2. Its velocity in `2^(nd)` medium is double from `1^(st)`. For total internal reflection the angle of incidence must be greater than
A. `30^(@)`
B. `60^(@)`
C. `45^(@)`
D. `90^(@)`

Light wave enters from medium 1 to medium 2. Its velocity in `2^(nd)` medium is double from `1^(st)`. For total internal reflection the angle of incidence must be greater than
A. `30^(@)`
B. `60^(@)`
C. `45^(@)`
D. `90^(@)`
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