Focal length of concave mirror even in water is same at 20 cm.
Class 12 Physics
Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
A concave mirror of 20 cm focal length is immersed into water. What is its new focal length?
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Focal length of concave mirror even in water is same at 20 cm.
Class 12 Physics
Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.