Question Detail
Question
Which of the following materials is typically required to stop gamma (γ) rays?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The 'Properties of radiation' table on page 4 indicates that gamma (γ) rays are 'Stopped by' 'Several cm thick lead/concrete layer'.
Hint
Look at the 'Stopped by' row in the table on page 4 and find the corresponding entry for 'γ - Rays'.