Question

Chromatic aberration(distance between the focal lengths for extreme wavelengths) of a convex lens can be reduced by(Assume lenses are kept in vacuum)

A

Adding a concave lens

B

Adding a convex lens

C

Decreasing focal length by squeezing it

D

Decreasing aperture without changing it curvature

Medium
Updated on : 2022-09-05
Solution
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Correct option is D)

It can be reduced by "Decreasing aperture without changing it curvature"
option is correct 

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