Gamma decay | Physics | Khan Academy
![](https://i.ytimg.com/vi/gDpyBifg6-s/mqdefault.jpg)
10:56
Half-life | Physics | Khan Academy
![](https://i.ytimg.com/vi/AXu1bMaX3l0/mqdefault.jpg)
18:44
Radiation Basics Made Simple Segment 1: Sources of Radiation
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14:43
Atomic spectra | Physics | Khan Academy
![](https://i.ytimg.com/vi/iGr6atucsBw/mqdefault.jpg)
11:48
Beta decay | Physics | Khan Academy
![](https://i.ytimg.com/vi/fo1tgibNLss/mqdefault.jpg)
14:47
How Radioactive Decay Works - Ask a Spaceman!
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11:06
Alpha decay | Physics | Khan Academy
![](https://i.ytimg.com/vi/co1kcYByiJE/mqdefault.jpg)
5:20
Gamma Rays
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8:08