Question

A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of he combination, is :

A

B

C

D

Medium
Solution
verified
Verified by Toppr
Correct option is C)

Given,



Power,

The power of combination,




The correct option is C.

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