From Paper 4, Higher
Compare alpha, beta and gamma radiation.
From Paper 4, Higher
A sample has an activity of 800 Bq. Calculate its activity after 3 half-lives.
From Paper 4, Higher
A sample has an activity of 6400 Bq. Calculate its activity after 4 half-lives.
From Paper 4, Higher
Complete the decay equation for uranium-238 decaying by alpha emission to thorium (Th).
From Paper 4, Higher
Explain the difference between contamination and irradiation.
From Paper 4, Higher
Explain why gamma emitters are used as medical tracers but alpha emitters are not.
From Paper 4, Higher
Which radiation is a high-energy electromagnetic wave?
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This paper is written by Plasmo in the style of the OCR GCSE Physics exam. It is not a past paper and is not produced or endorsed by the exam board.