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Paper 4Theory (Extended)1 marks
A scientist measures the total count rate of radiation from a source and finds it to be 120 counts per minute. After measuring the background radiation, they find it to be 30 counts per minute.
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Radiation Measurement
The scientist records the following measurements: Total Count Rate = 120 cpm, Background Count Rate = 30 cpm.
- a[1]
State the corrected count rate.
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