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>>Ray Optics and Optical Instruments
>>Spherical and Chromatic Aberration
>> $Chromatic aberration(distance between th$

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

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Updated on : 2022-09-05

Solution

Verified by Toppr

Correct option is D)

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

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