JAMB Physics 2001 Question 42

Question 42

Radioactivity and Nuclear Physics

Which of the following metals will provide the greatest shield against ionizing radiation?

  1. A.Iron
  2. B.Manganese
  3. C.Aluminium
  4. D.Lead
Show the answer and explanation

Answer: D (Lead)

Explanation

Lead is very dense and has a high atomic number, so it absorbs ionising radiation best.