A sample has an activity of 800 Bq. Calculate its activity after 3 half-lives.
From Physics 1, Higher
122 marks
A sample has an activity of 6400 Bq. Calculate its activity after 4 half-lives.
From Physics 1, Higher
163 marks
Complete the decay equation for uranium-238 decaying by alpha emission to thorium (Th).
From Physics 1, Higher
203 marks
Explain the difference between contamination and irradiation.
Score 0 / 14 · 0 of 5 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.