A radioactive sample has a  mass m, decay cosntant `lambda`, and molecular weight
Channel: Doubtnut
Date: 26/07/2020

A radioactive sample has a  mass m, decay cosntant `lambda`, and molecular weight M. If the Avogadro number is `N_A`, then  (a) find the initial number of neclei present, (b) find the number of deacyed nuceli after a time t, (c ) find the activity of the sample after a time t,