A-LevelPhysicsNuclear physicsFeb/Mar 2024Paper 1 Q361 Mark
A radioactive source produces a beam of α-particles in a vacuum. The average current caused by the α-particles in the beam is 1.5 × 10⁻⁹ A. The beam is incident on a metal target. What is the average number of α-particles hitting the metal target in a time of 3.0 s?
A4.7 × 10⁹
B9.4 × 10⁹
C1.4 × 10¹⁰
D2.8 × 10¹⁰
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The correct answer is C. This question tests the candidate's understanding of nuclear physics within the Physicssyllabus. The examiner's mark scheme requires...
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