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प्रश्न
For which colour of white light, is the refractive index of a transparent medium the most?
For which colour of white light the refractive index of a transparent medium the most? Give the reason for your answer.
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उत्तर
The refractive index of a transparent medium is most for violet light.
The reason is that the speed of violet light is least in a transparent medium while the speed of red light is most in a transparent medium.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
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
How is the refractive index of a medium related to the speed of light in it?
The highest refractive index is of ______.
Fill in the blanks to complete the following sentence
The refractive index of glass with respect to air is 3/2. The refractive index of air with respect to glass will be ……………….
“A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself.” Draw labelled ray diagram to justify the statement.
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
Draw a ray diagram showing the lateral displacement of a ray of light when it passes through a parallel sided glass slab.
Can the absolute refractive index of a medium be less than one?
How does the angle of deviation produced by a prism depend on the angle of incidence of light at the prism surface? Draw a graph to illustrate your answer.
A ray of light is incident at an angle of 45° on one face of a rectangular glass slab of thickness 10 cm and refractive index 3/2. Calculate the lateral shift produced ______.
