A convex lens is in contact with concave lens. The magnitude of the ratio of their powers is 2/3. Their
equivalent focal length is 30 cm. What are their individual focal lengths (in cm)?
A
-15,10
B
-10,15
C
75,50
D
-75,50
Answers
Answered by
0
Answer:
C. .. . . . . . . . . . . . . . . .
Similar questions