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Physics Past Questions and Answers

Topic: Variation of pressure with height

Jamb Physics Questions - Variation of pressure with height

Question 1:
A pilot records the atmospheric pressure outside its plane as 63cm of Hg while a ground observer records a reading of 75cm of Hg for the atmospheric pressure on the ground. Assuming that the density of the atmosphere is constant, calculate the height of the plane above the ground. (Relative density of Hg = 13.0 and that of air = 0.00013)
  • A 1200m
  • B 6300m
  • C 7500m
  • D 13800m
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