A convex lens made of glass (refractive index = ) has a focal length of in air. When it is totally immersed in water (refractive index = ), its focal length changes to:
- A
- B
- C
- D
MCQEasyJEE Main 2025 · 29 January, Shift 2Refraction & Lenses
Physics Question from JEE Main 2025 · 29 January, Shift 2
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