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The fig above shows the heights of two liquids X and Y when some air...

Physics
JAMB 1992

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

  • A. 1/3
  • B. 2/3
  • C. 3
  • D. 6
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Correct Answer: Option C
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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