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Bagwati Varghese
Asked: 2022-11-04T15:56:37+05:30 In:

The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected, is
A. `15^(@)`
B. `30^(@)`
C. `45^(@)`
D. `60^(@)`

The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected, is
A. `15^(@)`
B. `30^(@)`
C. `45^(@)`
D. `60^(@)`
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1 Answer

  1. Correct Answer – b

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