Radioactivity|Activity|Radioactivity Decay Law|Half Life|Average Life|Radioactive Radiations

Radioactivity||Mean Life|| Half Life

Radioactive Decay And Activity

Definition OF radioactivity||Activity OF a sample||Laws OF radioactivity||Half life||Mean life||Examples on radioactivity

Gamma Decay|Radioactive Statistical Law|Half Life |Activity|Questions

Gamma Decay|Radioactive Statistical Law|Half Life |Activity|Questions

Laws of Radioactive Decay | Applications of Radioactivity

At t=0 , number of radioactive nuclei of a radioactive substance are x and its radioactivity is y. Half-life of radioactive substance is T. Then,

Half-life period for radioactive element is