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A point object is kept 10 cm away from a double convex lens of refractive index 1.5 and radii of curvature 10 cm and 8 cm.

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A point object is kept 10 cm away from a double convex lens of refractive index 1.5 and radii of curvature 10 cm and 8 cm. Determine location of the final image considering paraxial rays only.

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Given that, R1 = 10 cm, R2 = -8 cm, 

u = -10 cm and n = 1.5

From lens maker’s equation,

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