A sample has an activity of 800 Bq. Calculate its activity after 3 half-lives.
From Physics Paper 1, Higher
122 marks
A sample has an activity of 6400 Bq. Calculate its activity after 4 half-lives.
From Physics Paper 1, Higher
163 marks
Complete the decay equation for uranium-238 decaying by alpha emission to thorium (Th).
From Physics Paper 1, Higher
203 marks
Explain the difference between contamination and irradiation.
From Physics Paper 1, Higher
244 marks
Explain why gamma emitters are used as medical tracers but alpha emitters are not.
From Physics Paper 1, Higher
282 marks
Describe how beta decay changes the nucleus.
Score 0 / 20 · 0 of 7 marked
This paper is written by Plasmo in the style of the AQA GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.