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प्रश्न
Total internal reflection occurs only when a ray of light passes from a ______ medium to a ______ medium.
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उत्तर
Total internal reflection occurs only when a ray of light passes from a denser medium to a rarer medium.
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संबंधित प्रश्न
Draw diagram to illustrate the total internal reflection.
(i) Define critical angle.
(ii) State one important factor which affects the critical angle of a given medium.
If a light ray does not undergo, refraction at the boundary between two media, the angle of incidence is:
Images formed by totally reflecting prisms are brighter than the image formed by ordinary reflected light, why?
What is meant by the term ‘critical angle’?
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°.
A spherical marble, of refractive index 1.5 and curvature 1.5 cm, contains a tiny air bubble at its centre. Where will it appear when seen from outside?
Which one of the following is NOT the correct formula for refractive index of glass w.r.t. air (aμg) (i = angle of incidence, r = angle of refraction)
The angle of minimum deviation produced by a thin glass prism in air is 'δ'. If that prism is immersed in water, the angle of minimum deviation will be ______.
( aμg = refractive index of glass w.r.t, air aμw = refractive index of water w.r.t. air)
