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Monday, 17 August 2026
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Physics Past Questions and Answers

Topic: Pressure in liquids

Jamb Physics Questions - Pressure in liquids

Question 6:
Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in all direction. ii. pressure decreases with depth. iii. pressure at the same level of a liquid is the same. iv pressure is dependent on the cross-sectional area of the barometer tube
  • A I, iii only
  • B I, ii, iii only
  • C I, iii, and iv only
  • D I, ii, iii and iv
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Question 7:
A hydraulic press has a large circular piston of radius 0.8m and a circular plunger of radius 0.2m. A force of 500N is exerted by the plunger. Find the force exerted on the piston
  • A 8000N
  • B 4000N
  • C 2000N
  • D 31N
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Question 8:
Which of these statements are correct for the pressures in liquids? i. pressure in a liquid at a point acts equally in all directions. ii. pressure increases with depth. iii. pressure at a depth depends on the shape of the container. iv. pressure at the same depth in different liquids are proportional to the density at different liquids.
  • A I, ii, iii only
  • B I, ii, iv only
  • C I, iii, iv only
  • D Ii, iii, iv only
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Question 9:
In a hydraulic press , a force of 40N is applied on the effort piston of area 0.4m2. If the force exerted on the load piston is 400N, the area of the large piston is
  • A 4m<sup style='font-size: smaller;'>2</sup>
  • B 8m<sup style='font-size: smaller;'>2</sup>
  • C 2m<sup style='font-size: smaller;'>2</sup>
  • D 1m<sup style='font-size: smaller;'>2</sup>
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Question 10:
As the pressure of a fluid increases, its viscosity
  • A Decreases
  • B Increases
  • C Increases then decreases
  • D Remains constant
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