n = 1.5. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
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Four times the focal length of the lens. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
Virtual image formed by a convex lens is erect and magnified but the virtual image formed by a concave lens is always erect and diminished one. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
P = P₁ + P2 = (+ 6 D) + (-2D) = + 4 D Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
When tha concave lens of refractive index 1.5 (ng = 1.5) is immersed in a midium of refractive index 1.65 (nm = 1.65), the lens begins to behave as a converging (convex) lens. Class 12 Physics Chapter 9 Ray Optics ...