Physics · Ray Optics
Two lenses L1 and L2 of powers +20 D and +10 D respectively, separated by 40 cm, are arranged parallel to each other in vertical planes. An object is placed 10 cm to the left of L1, vertically on the common principal axis of the lenses. What is the distance between the original object and the final image?
- 140 cm
- 235 cm
- 365 cm✓
- 460 cm
Correct answer
65 cm
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