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(D) The lens is composed of three distinct materials,each having a different refractive index. When light from a point object passes through these dif

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$3$

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(D) The lens is composed of three distinct materials,each having a different refractive index. When light from a point object passes through these different sections,each section acts as an independent lens with its own focal length. Since there are $3$ different materials,the lens effectively acts as a combination of $3$ separate lenses. Therefore,each section will form a separate image of the point object. Thus,the total number of images formed is equal to the number of different materials used to construct the lens,which is $3$.

$A$ convex lens is made up of three different materials as shown in the figure. For a point object placed on its axis,the number of images formed are

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