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A convex lens is made of 3 layers of glass of 3 different materials as in the figure.
A point object is placed on its axis. The number of images of the object are
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A point object is placed on its axis. The number of images of the object are
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From the given diagram, we see that lenses $L_{1}$ and $L_{3}$ are identical but eontribute opposite sease, hence their combined effect of making image is ineffoctive.
Hence, only lens $L_{g}$ forms the image.
Hence, only lens $L_{g}$ forms the image.
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