JEE Advanced 2014 Paper 2
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Question : 19 of 60
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Four combinations of two thin lenses are given in List 1. The radius of curvature of all curved surfaces is r and the refractive index of all the lenses is 1.5. Match lens combinations in List I with their focal length in List II and select the correct answer using the code given below the lists.
| List I | List II |
|---|---|
| P. | 1. 2r |
| Q. | 2. r/2 |
| R. | 3 -r |
| S. | 4. r |
[JEE Adv 2014 P2]
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