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JEE Mains 03-Sep-2020 Shift 1 Solved Paper

Section: Physics

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Question : 25

Total: 75

An observer can see through a small hole onthe side of a jar (radius 15 cm ) at a point atheight of 15 cm from the bottom (see figure).
The hole is at a height of 45 cm. When the jaris filled with a liquid up to a height of 30 cm the same observer can see the edge at thebottom of the jar. If the refractive index of the liquid

, where N is an integer, the value of N is _______.

[3 Sep 2020 Shift 1]

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