A-LevelPhysicsNuclear physics9702/12 · Feb/Mar 2019 · Q391 Mark

A neutron ¹₀n is fired at a ²³⁵₉₂U nucleus. The neutron is absorbed by the nucleus which then splits to form nuclei of ¹⁴²₅₆Ba and ⁹²₃₆Kr. What is the number of neutrons emitted when the ²³⁵₉₂U nucleus splits?

✓ Correct answer

D: 3

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Topic: Nuclear physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2019 Paper 1 Variant 2, question 39.

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