Question:
Two thin lenses of power +3D and -1D are held in contact with each other. Focal length of the combination would be:
Two thin lenses of power +3D and -1D are held in contact with each other. Focal length of the combination would be:
Updated On: Mar 30, 2026
- 5m
- 50cm
- 10m
- 100cm
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The Correct Option is B
Solution and Explanation
The correct option is (B): 50cm
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