Edexcel IGCSE Physics 7.10 background radiation
Practise background-radiation questions by defining the term and naming sources such as cosmic rays, rocks, radon or food.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- State that background radiation is present even without a nearby classroom source.
- Name natural sources such as cosmic rays, rocks, radon gas, food or building materials.
7.10 Background radiation question 1
A material called granite is used as a work surface in a kitchen.
Granite is formed naturally and contains radioactive isotopes.
The granite work surface contributes to the background radiation in the kitchen.
Give another naturally occurring source of background radiation.
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