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A glass slab is placed in the path of a beam of convergent light. The point of convergence of light,
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Important Questions on Refraction of Light
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A man standing in a swimming pool looks at a stone lying at the bottom. The depth of the swimming pool is . At what distance from the surface of water is the image of the stone formed? (Line of vision is normal; refractive index of water is )
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A bucket completely full of water is deep. A coin kept at the bucket when viewed normally will appear at
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A fish in water (refractive index ) looks at a bird vertically above in the air. If is the height of the bird and is the depth of the fish from the surface, then the distance of the bird as estimated by the fish is,
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in the diagram represent rays of light incident upon a face of a right-angled prism. Before emerging from the prism, which ray (or rays) will experience total internal reflection?
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As the angle of incidence, increases, the intensity of
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Light travels from a medium of refractive index to another of refractive index. For total internal reflection of light, which is not true?
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A ray of light travelling inside a rectangular glass block of refractive index is incident on the glass-air surface at an angle of incidence of . The refractive index of air is one. Under these conditions, the ray
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With respect to air, a critical angle in a medium for light of red colour is . Other facts remaining same, the critical angle for light of yellow colour will be,
