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प्रश्न
Define the term refractive index of a medium in terms of velocity of light.
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उत्तर
It is defined as the ratio of the velocity of light in medium 1 to the velocity of light in medium 2.
संबंधित प्रश्न
Explain how spectrum is formed.
The speed of light in glass is 2 × 105 km/s. What is the refractive index of glass?
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 ?
“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.
How does the deviation produced by a prism depend on the wavelength of incident light?
What is the refractive index of water
A ray of monochromatic light is incident from the air on a glass slab:
(i) Draw a labelled ray diagram showing the change in the path of the ray till it emerges from the glass slab.
(ii) Name the two rays that are parallel to each other.
(iii) Mark the lateral displacement in your diagram.
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
What should be the rate 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?
Observe the figure and name the ray AB, ray CD, ray GH.
