JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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Moment of inertia (MI) of four bodies, having same mass and radius, are reported as

{I_1} = MI

of thin circular ring about its diameter,

{I_2} = MI

of circular disk about an axis perpendicular to the disk and going through the centre,

{I_3} = MI

of solid cylinder about its axis and

{I_4} = MI

of solid sphere about its diameter. Then,

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Correct option: D

{I_1} = {I_2} = {I_3} > {I_4}

Option A (

MH

) is correct because the maximum potential energy of a magnet in a magnetic field occurs when the magnet is aligned anti-parallel to the field.

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\mathrm{AB}

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\left( {rad\,{s^{ - 2}}} \right)