Lens
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Will only 2 images be formed?Or will each rectangular slab & each prism form 1 image each & finally the various images coincide to form 2 distinct images (due to 2 different refractive index of the part of lens)? Please explain.
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@anag Since it clearly mentioned as Lens, there is no specification of prism. One lens can produce only one image. Since two materials are used, it creates two images. So there is no chance of having a multiple image.
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@sathya actually many small rectangular slabs & 2 prisms at the ends are joined to form the lens.
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@anag only two materials are used, there is no specification of multiple slabs or prism. Here they are talking about lens only.