The Effect of Radiation on Humans (VCE SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
By 1927, how many women died from radium paint poisoning at the United States Radium Company?
By 1927, how many women died from radium paint poisoning at the United States Radium Company?
More than 50 women
What material can stop alpha particles?
What material can stop alpha particles?
Paper or skin
What is the radiation weighting factor for alpha radiation?
What is the radiation weighting factor for alpha radiation?
20
What percentage of body mass is water, relevant to indirect radiation damage?
What percentage of body mass is water, relevant to indirect radiation damage?
Approximately 60%
What whole-body dose range has a 50% likelihood of death within 1-2 months?
What whole-body dose range has a 50% likelihood of death within 1-2 months?
3-5 Sv
What is the ICRP recommended annual whole-body dose limit for the general public?
What is the ICRP recommended annual whole-body dose limit for the general public?
1 mSv per year
What is the half-life of iodine-123 used in thyroid diagnosis?
What is the half-life of iodine-123 used in thyroid diagnosis?
13 hours
Why are cancerous cells more sensitive to radiation than normal cells?
Why are cancerous cells more sensitive to radiation than normal cells?
They reproduce rapidly
What percentage of average annual radiation exposure comes from natural sources?
What percentage of average annual radiation exposure comes from natural sources?
Approximately 82%
What thickness of lead will absorb 97% of gamma rays?
What thickness of lead will absorb 97% of gamma rays?
Approximately 5 cm