$A$ glass tube of uniform cross-section is filled with water and mounted on a rotatable shaft as shown in the figure. If the tube is rotated with a constant angular velocity $\omega$,then:
- Awater levels in both sections $A$ and $B$ go up
- Bwater level in section $A$ goes up and that in $B$ comes down
- Cwater level in section $A$ comes down and that in $B$ goes up
- Dwater levels remain same in both sections
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