Question 911:

• 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 912:

• 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 913:

• JAMB 1998

A solid of weight 0.600N is totally immersed in oil and water respectively. If the upthrust of oil is 0.210N and the relative density of oil is 0.875. Find the upthrust in water.

A. 0.600N
B. 0.360N
C. 0.240N
D. 0.180N

Question 914:

• JAMB 1998

A platinum resistance thermometer records 3.0\(\Omega\) at 0^oC and 8.0\(\Omega\) at 100^oC. If it records 6.0\(\Omega\) in a certain environment, The temperature of the medium is

A. 80^oC
B. 60^oC
C. 50^oC
D. 30^oC

Question 915:

• JAMB 1998

The linear expansivity of brass is 2 x 10^-5C^-1. If the volume of a piece of brass is 15.00cm³ at 0⁰C, What is the volume at 100^oC?

A. 16.03cm³
B. 16.00cm³
C. 15.09cm³
D. 15cm³