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Which is true

  • A.In a static liquid at same horizontal level, pressure is more at centre
  • B.In a static liquid at same horizontal level, pressure is less at centre
  • C.In a static liquid at same horizontal level, pressure is same at all points
  • D.In a static liquid at same horizontal level, pressure is different at all points

Answer: C

In a static liquid, the pressure is the same at every point at the same horizontal level.

Pressure depends only on depth, \(P = P_0 + \rho gh\), so all points at one depth are at the same pressure whatever the shape of the vessel. If they were not, liquid would flow until they were - which is why connected vessels settle at a common level.

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