A uniform solid sphere of mass m and radius r is surrounded symmetrically by a uniform thin spherical shell of radius 2r and mass m, then

MHT CET Physics question

A uniform solid sphere of mass and radius is surrounded symmetrically by a uniform thin spherical shell of radius and mass , then

Answer: (B)

At only the solid sphere acts, giving , so (a) and (c) are wrong; at both masses act, giving

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Question ID VK-060158