WAEC Physics 2017 Objective — Question 50

Question 50 of 50 from the West African Examinations Council (WAEC) Physics 2017 Objective paper, with the correct answer and a full explanation.

Neutrons are used to induce artificial radioactivity because they

A. A. are energetic
B. B. have no chargeCorrect
C. C. have no mass
D. D. are ionizing

Explanation

Neutrons are used to induce artificial radioactivity because they have no charge, so they can penetrate the nucleus without being repelled by it (unlike positively charged particles being repelled by the positive nucleus).

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