A-LevelPhysicsNuclear physics9702/12 · Feb/Mar 2024 · 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
✓ Correct answer
C: 1.4 × 10¹⁰
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Nuclear physics and see which topics are most likely to come up next.
Sign up free →