[" Is the same "],[" Q4.A given shaped glass tube having uniform cross "],[" section is filled with water and is mounted on a "],[" rotatable shaft as shown in "],[" tube is rotated with a constant "quad " angular "],[" (A) Water levels in both sections "A" and "B" go up "],[" (B) Water level in Section A goes up and that in "],[" that in B it goes up "],[" (D) Water levels remains same in both sections "]