A concave lens is kept in
contact with a convex lens of
focal length 20 cm. The
combination behaves as a
convex lens of focal length
50cm. Find the power of the
concave lens.
Answers
Answered by
1
Answer:
........,..........,...........
Attachments:
Answered by
0
Answer:
-4d
PLEASE MARK ME AS BRAINLEIST AND FOLLOW ME .
Similar questions