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JEE Advanced 2020 Full Test 3 Paper 2

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Question : 3

Total: 54

A frictionless tunnel is dug along a chord of the earth at a perpendicular distance ‌

from the centre of earth (where R is radius of earth). An object is released from one end of the tunnel. The correct graph, showing the variation of acceleration of particle with its distance r from centre of earth is

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