Optics Question 687

Question: A combination of two thin convex lenses of focal length 0.3 m and 0.1 m will have minimum spherical and chromatic aberrations if the distance between them is

[UPSEE 2004]

Options:

A) 0.1 m

B) 0.2 m

C) 0.3 m

D) 0.4 m

Show Answer

Answer:

Correct Answer: B

Solution:

For minimum spherical and chromatic aberration distance between lenses. $ d=f _{1}-f _{2} $

$ =0.3-0.1 $

$ =0.2m $ .



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