COMPANION SITES:
www.iit-jee-chemistry.blogspot.com,
www.iit-jee-maths.blogspot.com.
A google search facility is available at the bottom of the page for searching any topic on these sites.
Pages
▼
Friday, November 7, 2008
Law of Radioactive decay;
N = N0e- λ t
where N = number of active nuclei at time t
N0 = number of active nuclei at t = 0.
λ = decay constant
-dN/dt = λN
-dN/dt gives the number of decays per unit time and is called the activity (A) of the sample
No comments:
Post a Comment