Nuclear physics in Uzbekistan
Answers are for parents and teachers.
1
The background dose is 3 mSv per year. How many mSv in 4 years?
12
2
T = 5 years and initial activity 1600 TBq. What is it after 20 years?
100
3
Which unit measures biological effect: becquerel or sievert?
The sievert (Sv).
4
Which radiation (α, β, γ) is used to sterilise medical instruments?
γ radiation.
5
Write two benefits and one risk of ionising radiation and a way of managing the risk.
Benefits: diagnosis and treatment, sterilisation. Risk: a high dose damages tissue. Management: distance, time, shielding and expert supervision.