What is the length of liquid column in a barometer tube that would support an...
PHYSICS
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
Correct Answer: C. 3.92m
Explanation
pressure = g x density x height
102000 = 10 x 2600 x height
height = 3.92m
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