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Physics · 2017
JEE Main 2017 · 2017-04-02 Offline · Q5
The moment of inertia of a uniform cylinder of length l and radius R about its perpendicular bisector is I. What is the ratio l / R such that the…
The moment of inertia of a uniform cylinder of length $\displaystyle l$ and radius $\displaystyle R$ about its perpendicular bisector is I. What is the ratio $\displaystyle l / R$ such that the moment of inertia is minimum ?
Official answer
(1)
$\displaystyle \sqrt{\frac{3}{2}}$
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