Question Detail
Question
What material is typically required to stop gamma (γ) rays, as per the document?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 4, under the 'Stopped by' row for Gamma (γ) rays, specifies that 'Several cm thick lead/concrete layer' is needed to stop them.
Hint
Consider the stopping power listed for different materials against different radiations.