Two symmetric double convex lenses A and B have same focal length, but the radii of…
Physics · JEE Main · NTA Exams — Optics
Two symmetric double convex lenses A and B have same focal length, but the radii of curvature differ so that \(R_{A}=0.9 R_{B} .\)If \(n_{A}=1.63,\)find \(\mathbf{I}_{\mathbf{B}}-\)
- 1.7
- 1.6
- 1.5
- 4/3
Answer
(A) 1.7
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