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Question
Name one main factor on which the direction of bending of a ray of light depends.
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Solution
It mainly depends upon the optical density of the two media through which a ray of light travels.
RELATED QUESTIONS
Study the following four experimental set-ups I, II, III and IV for the experiment, "To trace the path of a ray of light through a rectangular glass slab."

Which of the marked set-ups is likely to give best results (P1 and P2 are the positions of pins fixed on the incident ray)?
(A) I
(B) II
(C) III
(D) IV
What do you understand by the statement the refractive index of glass is 1.5 for white light?
A Water pond appears to be 2.7 m deep. If the refractive index of water is 4/3, find the actual depth of the pond.
Which of the following is the best experimental set-up out of the four shown for tracing the path of a ray of light passing through a rectangular glass slab ?
Four students showed the following traces of the path of a ray of light passing through a rectangular glass slab.

The trace most likely to be correct is that of student
(A) I
(B) II
(C) III
(D) IV
In the fig. name the ray which represents the correct path of light while passing through a glass block.

State the relation between the refractive index μ and the velocity of light (vm) in that medium.
Can the absolute refractive index of a medium be less than one?
A ray of light moves from a rare medium to a dense medium as shown in the diagram below. Write down the number of the ray which represents the partially reflected ray.

