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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Pressure in liquids

Jamb Physics Questions - Pressure in liquids

Question 1:
The principle of transmissibility of pressure in a fluid at rest in all directions is known as
  • A Archimede's principle
  • B Flotation Principle
  • C Newton's lwa
  • D Pascal's law
  • E Boyle's law
View Answer & Explanation
Question 2:
The hatch door of a submarine has an area of 0.5m2. The specific gravity of sea water is 1.03. Assume that g = 10ms-1,and neglect the atmospheric pressure. The force exerted by the sea water on the hatch door at a depth of 200m is
  • A 1.03 x 10<sup style='font-size: smaller;'>5</sup>N
  • B 1.03 x 10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 1.06 x 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 2.06 x 10<sup style='font-size: smaller;'>6</sup>N
  • E 1.03 x 10<sup style='font-size: smaller;'>3</sup>N
View Answer & Explanation
Question 3:
The hatch door of a submarine has an area of 0.5m2. The specific gravity of sea water is 1.03. Assume that g = 10ms-1,and neglect the atmospheric pressure. The force exerted by the sea water on the hatch door at a depth of 200m is
  • A 1.03 x 10<sup style='font-size: smaller;'>5</sup>N
  • B 1.03 x 10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 1.06 x 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 2.06 x 10<sup style='font-size: smaller;'>6</sup>N
  • E 1.03 x 10<sup style='font-size: smaller;'>3</sup>N
View Answer & Explanation
Question 4:
If a water pump at Kainji Dam is capable of lifting 1000kg of water through a vertical height of 10m in 10s, the power of the pump is [g = 10ms-2]
  • A 1.0kW
  • B 10.0kW
  • C 12.5kW
  • D 15.0kW
  • E 20.0kW
View Answer & Explanation
Question 5:
The areas of the effort and load pistons of a hydraulic press are 0.5m2 and 5m2 respectively. If a force F1 of 100N is applied on the effort piston, the force F2 on the load is
  • A 10N
  • B 100N
  • C 500N
  • D 1000N
  • E 5000N
View Answer & Explanation