Question

A plano convex lens fits exactly into a plano-concave lens. Their plane surfaces are parallel to each other. If lens are made of different materials of refractive indices and is the radius of curvature of the curved surface of the lenses, then the focal length of the combination is 

A

B

C

D

Medium
Solution
verified
Verified by Toppr
Correct option is D)

 Hence option (D) is correct

solution
expand
Solve any question of Ray Optics and Optical Instrument with:-
Was this answer helpful?
upvote 0
downvote0
Similar questionsstar-struck