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Spherical aberration in a lens...

Spherical aberration in a lens

A

is minimum when most of the deviation is at the first surface

B

is minimum when most of the deviation is at the second surface

C

is minimun when the total deviation is equally distributed over the two surface

D

does not depend on the above consideration

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The correct Answer is:
A
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  19. Spherical aberration in a thin lens can be reduced by

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  20. Spherical aberration in a lens

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