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

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Solution

i) Given convex lens is made up of three different materials.
ii) The three different materials have three different refractive indices.
iii) So the given lens have three different focal lengths. Hence it forms three images.

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

i) Given convex lens is made up of three different materials.ii) The three different materials have three different refractive indices. iii) So the given lens have three different focal lengths. Hence it forms three images.

i) Given convex lens is made up of three different materials.
ii) The three different materials have three different refractive indices.
iii) So the given lens have three different focal lengths. Hence it forms three images.