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Friday, 30 October 2026
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Physics Past Questions and Answers

Jamb 1993 Physics Questions

Question 36:
Which of the following are produced after a nuclear fusion process? i. one heavy nucleus. ii. neutrons-1. iii. protons. iv. Energy.
  • A I and ii
  • B I and iv
  • C Ii and iii
  • D Ii and iv
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Question 37:
An element X of an atomic number 88 and mass number 226 decays to form an element Z by emitting two beta particles and an alpha particle. Z is represented by
  • A \(^{222}_{82}Z\)
  • B \(^{222}_{88}Z\)
  • C \(^{226}_{86}Z\)
  • D \(^{226}_{80}Z\)
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Question 38:
The kinetic theory of photoelectron liberated from a metallic surface depends on the
  • A Intensity of the incident radiation
  • B Time duration of the incident radiation
  • C Temperature of the incident radiation
  • D Frequency of the incident radiation
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Question 39:
The diagram above shows a velocity time graph representing the motion of a car. Find the total distance covered during the acceleration and retardation of the motion
  • A 75m
  • B 150m
  • C 300m
  • D 375m
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Question 40:
In the fig above,A lever of length 200m is used to lift a load of mass 180kg. The pivot at P is 20m from the load. what minimum force F must be applied at the end of the lever [g = 10ms-2]
  • A 9N
  • B 18N
  • C 20N
  • D 200N
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