JAMB - Physics (1992 - No. 44)
The fig above shows the heights of two liquids X and Y when some air is sucked out of the apparatus through the pump P. The diameter of the table in X is twice That of the Tube In Y. What is the relative density of the liquid X with respect to liquid Y
1/3
2/3
3
6
Explanation
Relative density of liquid x to liquid y = \(\frac{p_x}{p_y}\) = \(\frac{h_y}{h_x}\)
= \(\frac{22.5}{7.5}\) = 3( liquid x is thrice denser than liquid y)
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