Posted on / by anshu singh / in Physics MCQ

The moment of ineltia of a metallic hollow cylinder

The moment of ineltia of a metallic hollow cylinder of radius ‘R’ about an axis passing through its centre and perpendicular to its plane is ‘I’. The cylinder is melted and molded into a uniform cimular disc such that its moment of ineffa about an axis pemendicular to its plane and passing thmugh the centre remains ‘I’. The radius of the disc is:

a) 1.4 R b) 2R
c) R\2 d) R

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