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WAEC Physics 2022 Objective — Question 34

Question 34 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.

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Gamma rays are produced when A. high velocity electrons are abruptly stopped in metals.

  • A. energy changes occur within the nuclei of atoms
  • B. energy changes occur within the electronic structure of atomsCorrect
  • C. electrons are deflected in very strong magnetic fields

Explanation

Gamma rays are produced by energy changes occurring within the nuclei of atoms (nuclear transitions), unlike X-rays which arise from electron transitions or deceleration.

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