MCQ
A rigid lamina is rotating about an axis passing perpendicular to its plane through point $O$ as shown in figure. The angular velocity of point $B$ w.r.t $A$ is ....... $rad/s$.


- A$1$
- ✓$2$
- C$3$
- D$4$

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$(A)$ $E_A^{\text {lnside }}=0$
$(B)$ $Q_A > Q_B$
$(C)$ $\frac{\sigma_A}{\sigma_B}=\frac{R_B}{R_A}$
$(D)$ $E_A^{\text {on sulface }} < E_B^{\text {on uurface }}$