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Tuesday, 27 October 2026
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Physics Past Questions and Answers

Jamb 2002 Physics Questions

Question 31:
The eye controls the amount of light reaching the retina by adjusting the
  • A Cornea
  • B Iris
  • C Retina
  • D Optic nerve
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Question 32:
An electric iron is rated 1000W, 230V. What is the resistance of its elements?
  • A 51.9Ω
  • B 52.9Ω
  • C 55.9Ω
  • D 57.6Ω
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Question 33:
The electric field between two - point charges is shown in the diagram above. What types of charges are at X and Y?
  • A Both X and Y are negative
  • B Both X and Y are positive
  • C X is positive and Y is negative
  • D X is negative and Y is positive
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Question 34:
The electromagnetic wave that can produce a heating effect on the environment is
  • A X -rays
  • B Ultraviolet rays
  • C Infrared rays
  • D Gamma rays
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Question 35:
an electric cell with nominal voltage E has a resistance of 3Ω connected across it. If the voltage falls to 0.6E, the internal resistance of the cell is
  • A 1Ω
  • B 2Ω
  • C 3Ω
  • D 4Ω
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