A concave lens is kept in
contact with a convex lens of
focal length 20 cm. The
combination behaves as a
convex lens of tocal length
Socm Find the power of the
concave lens
answer
+3D
-100/3
+100/3
-3D
Answers
Answered by
0
Answer:
sorry i can't understand
Answered by
1
Answer:
+100/3
Explanation:
+100/3...,...,..,..,..
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