OCR A Level Physics B (Advancing Physics)
OCR A Level Physics B (Advancing Physics) Ionising Radiation and Risk Exam Questions
Free OCR A Level Physics B (Advancing Physics) exam questions on Ionising Radiation and Risk, with mark schemes. Covers radioactive decay, half-life, dose, risk and binding energy.
Ionising Radiation and Risk exam questions
These packs of real past exam questions cover the whole of Module 6: Field and Particle Physics, including Ionising Radiation and Risk. Work through every question on this sub-topic, then mark your answers against the mark scheme.
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A Level Physics Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About OCR A Level Physics B (Advancing Physics) Ionising Radiation and Risk
This sub-topic covers radiation and its effects.
What you need to know
- Decay Alpha, beta and gamma.
- Half-life Exponential decay and activity.
- Dose Absorbed and effective dose.
- Binding energy Mass defect, fission and fusion.
Common mistakes in Ionising Radiation and Risk
- Mixing absorbed and effective dose.
- Ignoring background radiation.
Try three Ionising Radiation and Risk exam-style questions
1. State the unit of effective dose. (1 mark)
Show the mark scheme answer
Sievert.
2. Explain why alpha sources are dangerous inside the body. (1 mark)
Show the mark scheme answer
Alpha is highly ionising.
3. A source has activity 800 Bq and half-life 2 h. Find activity after 6 h. (1 mark)
Show the mark scheme answer
100 Bq.
Ionising Radiation and Risk FAQs
What does this cover?
Decay, dose, risk and nuclear energy.
Which practical links here?
Absorption of radiation.
How is risk assessed?
By comparing dose with background and benefits.
Revise this topic with flashcards: A Level Physics Flashcards, with mark scheme answers for Anki and Quizlet.
