Moment of inertia of a hollow cylinder of mass $\mathrm{M}$ and radius $\mathrm{r}$ about its own axis is

Moment of inertia of a hollow cylinder of mass $\mathrm{M}$ and radius $\mathrm{r}$ about its own axis is
  1. $\frac{2}{3} \mathrm{Mr}^{2}$
  2. $\frac{2}{5} \mathrm{Mr}^{2}$
  3. $\frac{1}{3} \mathrm{Mr}^{2}$
  4. $\mathrm{Mr}^{2}$

Solution

Moment of inertia of a hollow cylinder of mass $M$ and radius $r$ about its own axis is $M r^{2}$

Asked in: JEE Mains - Rotational Motion - Test 1

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