![Increasing back focal length of plano-convex lens made from SiO 2 with... | Download Scientific Diagram Increasing back focal length of plano-convex lens made from SiO 2 with... | Download Scientific Diagram](https://www.researchgate.net/publication/278019566/figure/fig3/AS:285247121571842@1445019621777/Increasing-back-focal-length-of-plano-convex-lens-made-from-SiO-2-with-decreasing-height.png)
Increasing back focal length of plano-convex lens made from SiO 2 with... | Download Scientific Diagram
![What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm (n=1.5)?A. 50 cmB. 60 cmC. 90 cmD. 30 cm What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm (n=1.5)?A. 50 cmB. 60 cmC. 90 cmD. 30 cm](https://www.vedantu.com/question-sets/c612b172-1638-4932-aed3-6e18cb8db1583222633553042593248.png)
What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm (n=1.5)?A. 50 cmB. 60 cmC. 90 cmD. 30 cm
![convex lens concave lens how to determine focal length ray diagrams image properties real virtual inverted size correction of eye defects causes of long-sight short-sight igcse/gcse 9-1 Physics revision notes AQA Edexcel convex lens concave lens how to determine focal length ray diagrams image properties real virtual inverted size correction of eye defects causes of long-sight short-sight igcse/gcse 9-1 Physics revision notes AQA Edexcel](https://www.docbrown.info/page20/page20images/LensDiag02.gif)