There is an equiconvex glass lens with radius of each face as R and a µ g = 3/2 and a µ w…
Physics · JEE Advanced · NTA Exams — Optics
There is an equiconvex glass lens with radius of each face as R and aµg = 3/2 and aµw = 4/3 . If there is water in object space and air in image space, then the focal length is
- 2R
- R
- 3 R/2
- R2
Answer
(C) 3 R/ 2
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