How do I do these types of questions, they're so confusing. I have the mark scheme but its not helping me, can someone show me how to do the questions step by step
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Nuclear Physics Inverse Square Law watch
- Thread Starter
- 05-10-2017 22:08
- 06-10-2017 02:40
Source gives mean (integer) 56 counts/min at 0.9 m; a mean recording of 96 counts/min.
Mean rates as 1) radioactive decay is random 2) count rate drops even for small Δt (mins).