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प्रश्न
How does a ray of light bend when it travels from denser to rarer medium.
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उत्तर
When a ray of light travels from denser to rarer medium it bends away from the normal.
संबंधित प्रश्न
The diagram below shows a point source P inside a water container. Four rays A, B, C, D starting from the source P, are shown up to the water surface.
- Show in the diagram the path of these rays after striking the water surface. The Critical Angle for the water-air surface is 48°.
- Name the phenomenon which the rays B and D exhibit.
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is ______.
Write the relation between the refractive index and critical angle for a given pair of optical media?
Prove the statement.
A rainbow is the combined effect of the refraction, dispersion, and total internal reflection of light.
Make the correct choices for each of the following :
Total Internal reflection takes place when
(where ∠i = angle of incidence, ∠r = angle of refraction, ∠C = critical angle)
If a ray of light passes from medium I to medium II without any change of direction, what can be said about the refractive indices of these media (angle I is not 0)?
The diagram shows a point source P inside a water container. Three rays A, B, and C starting from P are shown up to the water surface. Show in the diagram the path of these rays after striking the water surface. The critical angle for the water-air pair is 48°.
Describe the construction and working of an optical fibre.
Total internal reflection is defined as the complete reflection of light back into an optically denser medium when:
