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Friday, 30 October 2026
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Physics Past Questions and Answers

Jamb 1989 Physics Questions

Question 6:
Which of the following devices are used to measure pressure? i. Aneroid barometer. ii. hydrometer. iii. hygrometer. iv. manometer.
  • A I and iii
  • B Ii and iii
  • C Iii and iv
  • D I and iv
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Question 7:
A piece of wood of mass 40g and uniform cross-sectional area of 2cm2 floats upright in water. The length of the wood immersed is
  • A 30cm
  • B 40cm
  • C 20cm
  • D 2cm
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Question 8:
The pressure on the gas of constant gas thermometer at the ice point is 325mm of mercury and at the steam point is 875mm of mercury. Find the temperature when the pressure of the gas is 190mm of mercury
  • A 30k
  • B 243k
  • C 300k
  • D 3003k
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Question 9:
A column of air 10.0cm long is trapped in a tube at 27oC. What is the length of the volume at 100oC?
  • A 12.4cm
  • B 13.7cm
  • C 18.5cm
  • D 37.0cm
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Question 10:
A mass of gas at 7oC and 70cm of mercury has a volume of 1200cm3. Determine its volume at 27oC and pressure of 75cm of mercury.
  • A 1200cm<sup style='font-size: smaller;'>3</sup>
  • B 1378cm<sup style='font-size: smaller;'>3</sup>
  • C 4320cm<sup style='font-size: smaller;'>3</sup>
  • D 4629cm<sup style='font-size: smaller;'>3</sup>
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