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.
How would a biconvex lens appear when placed in a trough of liquid having the same refractive index as that of lens?
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The biconvex lens will become invisible when placed in a liquid with the same refractive index. This happens because there is no refraction or bending of light at the lens-liquid interface, making the lens indistinguishable.
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