If a particle completes one revolution in time \( T \), its angular velocity is:

1. If a particle completes one revolution in time \( T \), its angular velocity is:

1. \( \omega = \frac{2\pi}{T} \)2. \( \omega = \frac{T}{2\pi} \)3. \( \omega = 2\pi T \)4. \( \omega = \frac{1}{T} \)