Saved Bookmarks
| 1. |
After 2 hours 1 by 16 of initial amount of a certain radioactive isotope remain undecayed .what is the half life of the isotop??e |
| Answer» EAR ❤N/No = (1/2)^t/T1/16 = (1/2)^t/T(1/2)^4 = (1/2)^2/T 2/T = 4 T = 2/4 hr= 2/4 × 60 MIN= 30 min | |