|
Two samples contain different radioactive isotopes. Is it possible for these samples to have the same activity?
(a) Yes, if they have the same number of nuclei but different half-lives.
(b) Yes, if they have different numbers of nuclei and different half-lives.
(c) Yes, if they have different numbers of nuclei but the same half-lives.
(d) No, because they can have different half-lives.
(e) No, because they can have different numbers of nuclei. |
| New search. (Also 5349 free access solutions) |