Question Detail
Question
What material is typically used to stop beta (β) rays, as indicated in the 'Properties of radiation' table?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The 'Properties of radiation' table on page 4, under the 'β - Rays' column for 'Stopped by', states '1 cm of aluminium'.
Hint
Find the 'Stopped by' row in the table and check the entry for 'β - Rays'.