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Physics - Rotation Question with Solution | TestHub

PhysicsRotationCalculation of M.I.Medium2 minPYQ_2008

PhysicsMediumsingle choice

The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around their respective axes isNEET 2008 (Mains)

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Answer:

Solution:

$\frac{l _{diso}}{l _{ring}} = \frac{M R ^{2} /2}{M R ^{2}} = \frac{M K _{disc}^{2}}{M K _{ring}^{2}} \Rightarrow \frac{K _{dise}}{K _{ring}} = \frac{1}{2}$

Stream:NEETSubject:PhysicsTopic:RotationSubtopic:Calculation of M.I.

⏱ 2mℹ️ Source: PYQ_2008

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