The lens will disappear and there will be no converging or diverging action of the lens. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
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The power of given convex lens increases on account of the fact that fv < fr Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
As the glass lens of refractive index n = 1.45 disappears when immersed in a liquid, hence refractive index of liquid must be same as that of lens. ∴ Refractive index of liquid = 1.45. Class 12 Physics Chapter 9 ...
Infinite (or power is zero). Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
Focal length of the given lens increases in accordance with lens maker’s formula 1/f =(n-1)(1/R1 -1/R2) because Ngw <nga. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.