Exam-style question
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Explain the significance of the inverse-square law in relation to gamma radiation intensity.
Model answer
What a good answer should say
- The inverse-square law states that the intensity of gamma radiation decreases with the square of the distance from the source.
- This means if the distance from the source is doubled, the intensity is reduced to a quarter of its original value.
Explanation
Why this works
This answer effectively explains the relationship between distance and intensity, illustrating the concept of radiation spread. The question assesses the understanding of fundamental principles governing radiation behavior.
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