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1. |
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12Â cm from the optical centre? |
A. | -4.33 diopters |
B. | 12.33 diopters |
C. | -12.33 diopters |
D. | 4.33 diopters |
Answer» C. -12.33 diopters | |