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

• 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 remains same in both sections