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WAEC Physics 2023 Objective — Question 10

Question 10 of 50 from the West African Examinations Council (WAEC) Physics 2023 Objective paper, with the correct answer and a full explanation.

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In the Rutherford scattering experiment, a beam of alpha particles was fired at a thin gold film and few of the particles were deflected considerably. This shows that the nucleus of an atom

  • A. contains protons and electrons distributed in a tiny volume
  • B. is positively charged and is concentrated in a tiny volumeCorrect
  • C. is distributed in a tiny volume and emits alpha particles
  • D. is concentrated in a tiny volume and contains alpha particles

Explanation

The deflection of alpha particles shows that the nucleus of the atom is positively charged and is concentrated in a very tiny volume.

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