A beaker of height 30 cm is partially filled with a liquid and is rotated by an angle θ as shown.

At this point, the pressure at point B is found to be 5 bar. By what angle should θ be increased such that the pressure at B gets halved?

A beaker of height 30 cm is partially filled with a liquid and is rota

1.	A beaker of height 30 cm is partially filled with a liquid and is rotated by an angle θ as shown.
A.	At this point, the pressure at point B is found to be 5 bar. By what angle should θ be increased such that the pressure at B gets halved?
B.	12o
C.	15o
D.	17o
E.	20o
Answer» C.

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