DP Physics (last assessment 2024)

Question 19M.2.SL.TZ2.6a

Date	May 2019	Marks available	[Maximum mark: 1]	Reference code	19M.2.SL.TZ2.6a
Level	SL	Paper	2	Time zone	TZ2
Command term	Identify	Question number	a	Adapted from	N/A

[Maximum mark: 1]

19M.2.SL.TZ2.6a

Deuterium, ${}_1^2{\text{H}}$ , undergoes fusion according to the following reaction.

${}_1^2{\text{H}} + {}_1^2{\text{H}} \to {}_1^3{\text{H}} + {\text{X}}$

(a)

Identify particle X.

[1]

Markscheme

proton / ${}_1^1{\text{H}}$ / p ✔

Examiners report

At HL this was well answered with the most common wrong answer being ‘neutron’. At SL however, this was surprisingly wrongly answered by many. Suggestions given included most smallish particles, alpha, positron, beta, antineutrino and even helium.

Syllabus sections

Core

Core » Topic 7: Atomic, nuclear and particle physics » 7.2 – Nuclear reactions

Core » Topic 7: Atomic, nuclear and particle physics

Question 19M.2.SL.TZ2.6a

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