DP Physics (first assessment 2025)

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Question 23M.2.SL.TZ2.a

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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 ✓