A-Level
EDEXCEL
Physics
January 2014
1 Marks
QP-201401-Physics-U5 · Question 7
Question (excerpt):
7 Which of the following is not a source of background radiation? A coffee beans B granite rock C microwave ovens D people
7 Which of the following is not a source of background radiation? A coffee beans B granite rock C microwave ovens D people
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