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Question
State the factors on which the angle of deviation depends.
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Solution
The angle of deviation depends upon:
(i) The refracting angle of prism.
(ii) The material of the prism.
(iii) The colour of light.
(iv) The angle of incidence.
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
The following diagram shows a 60°, 30°, 90° glass prism of critical angle 42°, Copy the diagram and complete the path of incident ray AB emerging out of the prism marking the angle of incidence on each surface.

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(a) equal to the angle of incidence
(b) greater than the angle of incidence
(c) smaller than the angle of incidence
(d) 45°
How must light travel out of a substance if it is not going to be refracted?
For which colour of white light, is the refractive index of a transparent medium the most?
A ray of light is passing from a transparent medium 1 to another transparent medium 2 (i) Speed up (ii) slows down. In each case, state whether the refractive index of medium 2 is equal to, less than or greater than the refractive index of medium 1.
-
- the angle of refraction and
- the angle of deviation for the ray?
Can the absolute refractive index of a medium be less than one?
