Pressure in liquids - Jamb Physics Past Questions and Answers

Question 16:

• JAMB 1998

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

Question 17:

• JAMB 1998

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 10⁷Nm^-2
B. 1.4 x 10⁶Nm^-2
C. 1.4 x 10⁵Nm^-2
D. 1.0 x 10 ⁵Nm^-2

Question 18:

• JAMB 2007

I. Increase the melting point of the liquid.
II. Increase the boiling point of the liquid.
III. Decrease the melting point of the liquid.
IV. Decrease the boiling point of the liquid.
which of the statement above about the effect on increase in pressure in a liquid are correct?

A. I and II only
B. I and III only
C. II and III only
D. III and IV only

Question 19:

• JAMB 2009

I. Density of the liquid.
II. Acceleration due to gravity.
III. Type of container of the liquid.
IV. The constituents of the liquid.
which of the above conditions will NOT affect the pressure of fluid?

A. I and III only
B. II and III only
C. III and IV only
D. I and II only

Question 20:

• JAMB 2012

At a fixed point below a liquid surface, the pressure downwards is P1 and pressure upwards is P2. It can be deduced that

A. P₁ > P₂
B. P₁ ≥ P₂
C. P₁ < P₂
D. P₁ = P₂