Gupta Ravi Asked: January 4, 2025In: Class 12 Physics A converging lens of refractive index 1.5 is kept in a liquid medium having same refractive index. What would be the focal length of the lens in this medium? Infinite (or power is zero). Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025. class 12 physicsshort answer questionsthe focal length of the lens in this medium