A radioactive element decays by the sequence, and with half-lives, given below Which of the following statements about this system are correct? |
|
a) |
After two hours, less than 10% of the initial |
b) |
Maximum amount of |
c) |
Atomic numbers of |
d) |
All of the above are correct statements |
A radioactive element decays by the sequence, and with half-lives, given below Which of the following statements about this system are correct? |
|
a) |
After two hours, less than 10% of the initial |
b) |
Maximum amount of |
c) |
Atomic numbers of |
d) |
All of the above are correct statements |
(d)
Half-life period of Total time
Thus, (a) is true Before 30 min ( = half-life) amount of Hence, (since half-life of Thus, (b) is correct
|