A ring of mass $m$ and radius $r$ rotates about an axis passing through its centre and perpendicular to its plane with angular velocity $\omega$. Its kinetic energy is
A ring of mass $m$ and radius $r$ rotates about an axis passing through its centre and perpendicular to its plane with angular velocity $\omega$. Its kinetic energy is
- [AIPMT 1988]
- A
$\frac{1}{2} m r^{2} \omega^{2}$
- B
$m r \omega^{2}$
- C
$m r^{2} \omega^{2}$
- D
$\frac{1}{2} m r \omega^{2}$
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- [JEE MAIN 2023]
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