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Wednesday, 20 May 2026
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Physics Past Questions and Answers

Jamb 1989 Physics Questions

Question 1:
Which of the following is a set of vectors?
  • A Force, mass and moment
  • B Acceleration, velocity and moment
  • C Mass, weight and density
  • D Mass, volume and density
View Answer & Explanation
Question 2:
Which of the following is a set of vectors?
  • A Force, mass and moment
  • B Acceleration, velocity and moment
  • C Mass, weight and density
  • D Mass, volume and density
View Answer & Explanation
Question 3:
The magnitude of the resultant of two mutually perpendicular forces, F1 and F2 is 13N, if the magnitude of F1 is 5N, what is the magnitude of F2?
  • A 2.6N
  • B 6.0N
  • C 12.0N
  • D 18.0N
View Answer & Explanation
Question 4:
Two points on a velocity time-graph have coordinates (5s, 10ms-1) and (20s, 20ms-1). Calculate the mean acceleration between the two points
  • A 0.67ms<sup style='font-size: smaller;'>-1</sup>
  • B 0.83ms<sup style='font-size: smaller;'>-1</sup>
  • C 1.50ms<sup style='font-size: smaller;'>-1</sup>
  • D 2.00ms<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 5:
A thin film of liquid is trapped between two glass plates. The force required to pull the plates apart will increase if the
  • A Surface tension of the liquid is reduced
  • B Perpendicular distance between the plates is increased
  • C Area of the liquid surface in contact with the plates is increased
  • D Pressure of the air is decreased
View Answer & Explanation