Mathematics · Optics Calculations
Two lenses L1 and L2 of powers 5 D and -5 D respectively, separated by 90 cm are arranged parallel to each other in vertical planes. An object is placed 30 cm left to L1 vertically on the common axis of the lenses. The distance between the original object an d the f inal image is:
- 11.12 m
- 21.08 m✓
- 31.28 m
- 41.32 m
Correct answer
1.08 m
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