JAMB - Physics (1990 - No. 9)

What is the length of liquid column in a barometer tube that would support an atmospheric pressure of 102000Nm-2 if the density of the liquid is 2600kgm-3? [g = 10ms-2]
0.75m
0.76m
3.92m
39.23m

Explanation

pressure = g x density x height

102000 = 10 x 2600 x height

height = 3.92m

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