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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Pressure

Jamb Physics Questions - Pressure

Question 26:
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 27:
The atmospheric pressure due to water is 1.3 x 106Nm-2. What is the total pressure at the bottom of an ocean 10m deep? [Density of water = 1000kgm-3, g = 10ms-2]
  • A 1.3 x 10<sup style='font-size: smaller;'>7</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • B 1.4 x 10<sup style='font-size: smaller;'>6</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 1.4 x 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 1.0 x 10 <sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation
Question 28:
The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is
  • A 380mmHg
  • B 570mmHg
  • C 190mmHg
  • D 480mmHg
View Answer & Explanation
Question 29:
The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is
  • A 380mmHg
  • B 570mmHg
  • C 190mmHg
  • D 480mmHg
View Answer & Explanation
Question 30:
The hydrostatic blood pressure difference between the head and the feet of a boy standing straight is 1.65 x 104 Nm-2. Find the height of the boy.
[ Density of blood = 1.1 x 103 kgm-3, g = 10ms-2]
  • A 0.5 m
  • B 0.6 m
  • C 1.5 m
  • D 2.0 m
View Answer & Explanation