Question:
A circular disc of diameter d lies horizontally inside a
Last updated: 6/2/2023
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A circular disc of diameter d lies horizontally inside a metallic hemisphere bowl of radius 12 5 cm The disc is just visible to an eye looking over the edge The bowl is now filled with an liquid of refractive index 4 3 Now the whole of the disc is just visible to the eye in the same position d in cm will be