Atoms and Nuclei MCQ with Answers

let' s say C disintegrates in to A and B and initialy let's say 4units of C existed .After 1620 years 1 unit of a and 0.5of B would remain and in another 810 years A will become 0.75 and B will become 0.25 which adds up to 1 which is 1 /4 OF initial amount totally 2430 years would have passed

gamma radiations has the least wave length?

As the mass number A increases, density related to a nucleus does not change

In gamma rays decays does the element not change

In any nuclear reaction the reactants and the resultants must always be in conformity with the law of conservation of both charge and mass number