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प्रश्न
What is the refractive index of vacuum
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उत्तर
Unity
संबंधित प्रश्न
Write a short note on dispersion of light.
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
Draw the diagram given below and clearly show the path taken by the emergent ray.
How is the refractive index of a medium related to the speed of light in it?
Which of the following has the highest refractive index:
Write a relation between the angle of incidence (i), angle of emergence (e), angle of the prism (A), and angle of deviation (d) for a ray of light passing through an equilateral prism.
What do you understand by the deviation produced by a prism?
Draw a diagram of a prism and label:
(i) the base,
(ii) the refracting surfaces,
(iii) the refracting edge,
(iv) the refracting angle in it.
The diagram below shows two parallel rays A (Orange) & B (Blue) incident from air, on air-glass boundary.
- Copy and complete the path of the rays A and B.
- How do the speeds of these rays differ in glass?
- Are the two refracted rays in glass parallel? Give a reason.
