A-LevelPhysicsNuclear physicsFeb/Mar 2019Paper 1 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?
A0
B1
C2
D3
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The correct answer is D. This question tests the candidate's understanding of nuclear physics within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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