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प्रश्न
Name one main factor on which the direction of bending of a ray of light depends.
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उत्तर
It mainly depends upon the optical density of the two media through which a ray of light travels.
संबंधित प्रश्न
Choose the correct alternative and rewrite the following sentence.
A ray of light strikes the glass slab at an angle of 50°. What is the angle of incidence?
Draw diagrams to show the refraction of light from glass to air. In diagram, label the incident ray, refracted ray, the angle of incidence (i) and the angle of refraction (r).
When a ray of light from air enters a denser medium, it ______.
What is meant by the statement the critical angle for diamond is 24°?
Make the correct for each of the following :
With reference to the fig, the refractive index of the glass block is

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Name the material for which the refractive index is found to be maximum.
How does the angle of deviation produced by a prism depend on the colour of light used? Which colour of white light is deviated (i) most, (ii) least, by a prism?
How will you verify the laws of refraction or how the refractive index of glass is determined in the laboratory?
A ray of light PQ is incident normally on the hypotenuse of a right-angled prism ABC as shown in the diagram given below:

(i) Copy the diagram and complete the path of the ray PQ till it emerges from the prism.
(ii) What is the value of the angle of deviation of the ray?
(iii) Name an instrument where this action of the prism is used.
