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Monday, 02 November 2026
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Physics Past Questions and Answers

Jamb 1984 Physics Questions

Question 31:
If a water pump at Kainji Dam is capable of lifting 1000kg of water through a vertical height of 10m in 10s, the power of the pump is [g = 10ms-2]
  • A 1.0kW
  • B 10.0kW
  • C 12.5kW
  • D 15.0kW
  • E 20.0kW
View Answer & Explanation
Question 32:
What is the apparent colour of a RED SHIRT when viewed in PURE green light?
  • A Red
  • B Green
  • C Yellow
  • D Black
  • E Blue
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Question 33:
The spectrum of white light consists of coloured lights arranged in the following order
  • A Blue, red, green, yellow, indigo, violet, orange
  • B Red, orange, yellow, green, blue, indigo, violet
  • C Red, orange, yellow, indigo, green, blue, violet
  • D Indigo, green, blue, violet, yellow, red, orange
  • E Yellow, blue, green, violet, orange, indigo, red
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Question 34:
Cathode rays are
  • A High-energy electromagnetic waves
  • B Protons
  • C Streams of electrons
  • D Neutrons
  • E Radio waves
View Answer & Explanation
Question 35:
A device that converts sound energy into electrical energy is
  • A The horn of a motor car
  • B An A.C. generator
  • C A microphone
  • D The telephone
  • E Radio waves
View Answer & Explanation