What is the length of liquid column in a barometer tube that would support an...

JAMB 1990

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]

A. 0.75m
B. 0.76m
C. 3.92m
D. 39.23m

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Correct Answer: Option C

Explanation

pressure = g x density x height

102000 = 10 x 2600 x height

height = 3.92m

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What is the length of liquid column in a barometer tube that would support an...

Correct Answer: Option C

Explanation

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