Physics · Optics - Combination of Lenses
Two thin coaxial lenses L1 and L2 of powers +25 D and -25 D respectively, are placed parallel to each other separated by a distance of 18 cm. If an object is placed 12 cm to the left of L1 on their common principal axis, what is the distance between the original object and the final image?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136 cm
- 227 cm✓
- 333 cm
- 424 cm
Correct answer
27 cm
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