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A question from Atoms & Nucleus Decay

Plutonium decays with a half-life of 24000 years.If plutonium is stored for 72000 years.What fraction of it remains?

Asked Vikas

Ionizing Power of alpha and beta particles

Which has greater ionization power alpha or beta?


(Question received via speak pipe – a facility for the visitors to ask questions orally, if you have a mic)




Alpha particles have greater ionization power as they have two units of positive charge and 4 units of mass, whereas beta has only one unit of negative charge and negligible mass as compared to alpha.


English: Diagram of an alpha particle with notes.


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