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Wednesday, 19 August 2026
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Physics Past Questions and Answers

Topic: Elementary Modern Physics

Jamb Physics Questions - Elementary Modern Physics

Question 51:
Which of the following is not a product of nuclear fusion?
  • A X – ray
  • B Y –ray
  • C α – particles
  • D Neutron
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Question 52:
Which of the following is/are the limitations to the Rutherford's atomic models?
I. It is applicable when energy is radiated as electrons are revolving
II. It is applicable when energy is radiated in a continuous mode
III. It is applicable to an atom with only one electron in the other shell
  • A I only
  • B II only
  • C I & II only
  • D I, II & III only
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Question 53:
Neutrons were discovered by
  • A Faraday
  • B Dalton
  • C James Chadwick
  • D Rutherford
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Question 54:
The mass of a nucleus is the
  • A Total number of its proton & neutrons
  • B Number of its protons
  • C Mass of its electrons
  • D Total number of its protons & electrons
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Question 55:
A safety precaution designed to prolong the life of a lead acid accumulator is
  • A By topping up the cells with concentrated acid
  • B The use of naked flame when charging the battery
  • C Keeping the specific gravity of the electrolyte within specified range
  • D By connecting wires to the terminals directly when testing the level of charging
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