Questions
A cubic container is filled with a liquid whose refractive index increases linearly from top to bottom. Which of the following represents the path of a ray of light inside the liquid?
detailed solution
Correct option is A
Since the refractive index is changing, the light cannot travel in a straight line in the liquid as shown in options (3) and (4). Initially, it will bend towards normal and after reflecting from the bottom it will bend away from the normal as shown below.Talk to our academic expert!
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The velocity of light in a medium is half its velocity in air. If a ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected, is
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