Class 12 Physics Modern Physics Nuclei



When charcoal is prepared from  a living tree, it shows a disintegration rate of 15.3 disintegration of per gram per minute. A sample from an ancient piece of charcoal shows . activity to be 12.3 disintegration  per gram per minute . how old is this sample? half-life of is 5730 y.

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solid and semiconductor devices
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solid and semiconductor devices
nuclear physics
electrons and photons
atomic physics
nuclei