DP Physics (first assessment 2025)

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Question EXE.2.SL.TZ0.19a

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Date Example questions Example questions Marks available [Maximum mark: 2] Reference code EXE.2.SL.TZ0.19a
Level SL Paper 2 Time zone TZ0
Command term Compare and contrast Question number a Adapted from N/A
a.
[Maximum mark: 2]
EXE.2.SL.TZ0.19a
(a)

Compare and contrast spontaneous and neutron-induced nuclear fission.

[2]

Markscheme

Spontaneous fission occurs with no external influence, neutron-induced fission requires an interaction with a neutron «of appropriate energy» ✓ 

Both result in the release of energy
OR
both have a large number of possible pairs of products ✓

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