Inverse square law
A helpful definition of inverse square law with worked examples with exam-style questions (and answers) to develop GCSE Physics students' understanding of the risks of radiation exposure in relation to x-rays.
Suitable for higher tier students.
Example questions from the resource:
Question 2
a.Typically, X-rays of the abdomen require a greater dose of radiation.
A patient receives 12 mSv when 1.8 cm away from the X-ray source.
How much radiation will they be exposed to when the source is moved closer, to a distance of 0.6 cm?
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