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प्रश्न
How is the refractive index of a medium related to the speed of light in it?
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उत्तर
Denser medium has a higher refractive index and therefore the speed of light in such medium is lower in comparison to the speed of light in a medium which has a lower refractive index.
संबंधित प्रश्न
When a ray of light travels from air to glass slab and strikes the surface of separation at 90°, then it …………….
(a) bends towards normal
(b) bends away from normal
(c) passes unbent
(d) passes in zigzag way
Draw the diagram given below and clearly show the path taken by the emergent ray.
How does the angle of minimum deviation produces by a prism change with increase in :
the refracting angle of prism?
Draw a diagram to show the splitting of white light into its constituent colours.
Name the phenomenon responsible in the following case:
Apparent bending of a stick in water
What should be the ratio of the speed of light through the liquid to the speed through the glass so that there is no refraction of light at the boundaries of the glass block when the system is illuminated by the light of one colour?
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.
Two parallel rays of Red and Violet travelling through the air, meet the air-glass boundary as shown in the above figure. Will their paths inside the glass be parallel? Give a reason for your answer.
What is lateral displacement?
