1.

The percentage of quantity of a radioactive material that remains after 5 half-lives will be .A. `1% `B. `3%`C. `5%`D. `20%`

Answer» Correct Answer - B
`t=5T_n`
`(5T_n)/(T_n)`
`N=N_0 (1//2)`
`N=N_0/32`
`N(%) = 100/32 N_((0))=3%`


Discussion

No Comment Found

Related InterviewSolutions