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A point source of light O of a single color is seen through a rectangular glass slab PQRS. The paths of two rays, in and outside the slab, are shown in the given figure. In the diagram, what is the position I of the source O, when seen through the surface RS? |
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Answer» A point source of light O of a single color is seen through a rectangular glass slab PQRS. The paths of two rays, in and outside the slab, are shown in the given figure. In the diagram, what is the position I of the source O, when seen through the surface RS?
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