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Gupta Ravi
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Asked: 2025-01-04T09:24:19+00:00 In:

Under what condition does a biconvex lens of glass having a certain refractive index act as a plane glass sheet when immersed in a liquid?

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When refractive index of liquid is exactly same as the refractive index of glass.
Class 12 Physics
Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.

class 12 physicsindex act as a plane glass sheet when immersed in a liquidshort answer questions
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    1. A biconvex lens of glass acts as a plane glass sheet when immersed in a liquid with the same refractive index as the glass. In this case, no refraction occurs at the lens-liquid interface, making the lens indistinguishable.

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