DP Physics (first assessment 2025)
Question 23M.2.SL.TZ2.a
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.2.SL.TZ2.a |
Level | SL | Paper | 2 | Time zone | TZ2 |
Command term | Show that | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
23M.2.SL.TZ2.a
Show, using the data, that the energy released in the decay of one magnesium-27 nucleus is about 2.62 MeV.
Mass of aluminium-27 atom = 26.98153 u
Mass of magnesium-27 atom = 26.98434 u
The unified atomic mass unit is 931.5 MeV c−2.
[1]
Markscheme
(26.98434 - 26.98153) × 931.5
OR
2.6175 «MeV» seen ✓
