Which radiation is a high-energy electromagnetic wave?
From Paper 1, Higher
93 marks
Explain what background radiation is and give two sources.
From Paper 1, Higher
143 marks
Describe how the model of the atom changed after the alpha scattering experiment.
From Paper 1, Higher
183 marks
Explain how the half-life of a radioactive isotope can be found from a graph of activity against time.
From Paper 1, Higher
223 marks
Explain why the radioactive isotope used for smoke alarms is an alpha emitter with a long half-life.
From Paper 1, Higher
262 marks
An isotope has a half-life of 6 hours. What fraction remains after 24 hours?
From Paper 1, Higher
303 marks
Compare the risks and benefits of using radiation in medicine.
Score 0 / 18 · 0 of 7 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Physics exam. It is not a past paper and is not produced or endorsed by the exam board.