A light ray is incident perpendicularly to one face of a `90^circ` prism and is totally internally reflected at the glass-air interface. If the angle of reflection is `45^circ`, we conclude that the refractive index n A. Less than 1.41B. Equal to 1.41C. Greater than 1.41D. None of the above

A light ray is incident perpendicularly to one face of a `90^circ` pri

1.	A light ray is incident perpendicularly to one face of a `90^circ` prism and is totally internally reflected at the glass-air interface. If the angle of reflection is `45^circ`, we conclude that the refractive index n A. Less than 1.41B. Equal to 1.41C. Greater than 1.41D. None of the above
Answer» Correct Answer - c

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A light ray is incident perpendicularly to one face of a `90^circ` prism and is totally internally reflected at the glass-air interface. If the angle of reflection is `45^circ`, we conclude that the refractive index n A. Less than 1.41B. Equal to 1.41C. Greater than 1.41D. None of the above

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