Activity and Mean life | Nuclei | Physics | Khan Academy
In this video, we explore what the rate of decay of radioactive nuclei depends upon and also how we know if the rate is fast or slow.
00:00 Introduction
00:41 How does the rate of decay depend on the number of radioactive nuclei?
04:00 How does the decay constant determine if the rate of decay would be rapid or slow?
06:30 Units of Activity
07:15 Graphing Activity
08:59 Mean life
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