A given shaped glass tube having uniform cross-section is filled with water and is mounted on a rotatable shaft as shown in figure. If the tube is rotated with a constant angular velocity $\omega $ then

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  • A

    water levels in both sections $A$ and $B$ go up

  • B

    water level in section $A$ goes up and that in $B$ comes down

  • C

    water level in section $A$ comes down and that in $B$ it goes up

  • D

    water levels remain same in both sections

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