DP Physics (first assessment 2025)
Question 23M.1A.SL.TZ1.26
| Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1A.SL.TZ1.26 |
| Level | SL | Paper | 1A | Time zone | TZ1 |
| Command term | Question number | 26 | Adapted from | N/A |
26.
[Maximum mark: 1]
23M.1A.SL.TZ1.26
A radioactive material has a half-life of 6 days. How long will it take for 75 % of a pure sample of the material to decay?
A. 3 days
B. 6 days
C. 12 days
D. 18 days
[1]
Markscheme
C