DP Physics (last assessment 2024)
Question 23M.2.HL.TZ2.9a
| Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.2.HL.TZ2.9a |
| Level | HL | Paper | 2 | Time zone | TZ2 |
| Command term | Show that | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
23M.2.HL.TZ2.9a
(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 ✓
