The light traveling in a medium with index of reflection ng is reflected by the surface of another medium with index of reflection n To obtain total internal reflection, which of the following conditions is required? O Any of these may be correct. O None of these is correct.
The light traveling in a medium with index of reflection ng is reflected by the surface of another medium with index of reflection n To obtain total internal reflection, which of the following conditions is required? O Any of these may be correct. O None of these is correct.
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Transcribed Image Text:The light traveling in a medium with index of reflection ny is reflected by the surface of another medium with index of reflection n
To obtain total internal reflection, which of the following conditions is required?
Onng
O Any of these may be correct.
O None of these is correct.
Transcribed Image Text:A plane wavefront of light (AA') reaches an interface between air and water as shown, n< n'. The wavefront of the refracted light is
(Hint: The direction of light ray is perpendicular to the wavefront).
Water
O (1).
O (2).
O (3).
O (4).
O None of these is correct. There is no refraction because 0 is less than the angle of total internal reflection.
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