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Radioactive Decay And Nuclear Radiation (GCSE Physics)

The following is a GCSE Physics test covering 'Radioactive Decay And Nuclear Radiation' from the broader topic Atomic Structure. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What would be the effect on measured count rate if a thin sheet of aluminium is placed between a beta-emitting source and a GM detector?
What is the difference between irradiation and contamination?
Which of these is a common medical use of gamma rays?
Why are lead aprons or shields used when working with gamma emitters?
What is the main reason nuclear waste with long half-lives is stored deep underground and isolated?
A sample’s activity decreases from 3200 Bq to 800 Bq in 10 minutes. How many half-lives occurred in that time?
Which nuclear equation represents alpha decay of thorium-232 (write products as symbols and mass/atomic numbers conceptually)?
Which statement correctly describes radioactive decay?
Which process produces elements heavier than iron inside massive stars before they explode?
Which definition of the becquerel (Bq) is correct?
Which nuclear radiation is a high-energy electromagnetic wave with no mass or charge and is most penetrating?