1.

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]

A.            0.1 m                                       
B.            0.2 m
C.            0.3 m                                       
D.            0.4 m
Answer» C.            0.3 m                                       


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