DP Physics (first assessment 2025)

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Question 19N.2.SL.TZ0.7b(i)

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Date November 2019 Marks available [Maximum mark: 3] Reference code 19N.2.SL.TZ0.7b(i)
Level SL Paper 2 Time zone TZ0
Command term Calculate Question number b(i) Adapted from N/A
b(i).
[Maximum mark: 3]
19N.2.SL.TZ0.7b(i)
(b(i))

Calculate the binding energy per nucleon for uranium-238.

[3]

Markscheme

234 × 7.6  OR  4 × 7.07 ✔

BEU =« 234 × 7.6 + 4 × 7.07 – 4.27 =» 1802 « MeV » ✔

BEUA=«1802238=» 7.57 « MeV » ✔

NOTE: Allow ECF from MP2
Award [3] for bald correct answer
Allow conversion to J, final answer is 1.2 × 10–12

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