A-LevelPhysicsNuclear physics9702/12 · Feb/Mar 2017 · Q381 Mark

Which row describes the relative ionizing power and the relative penetration power per unit length in air of α-particles and γ-rays?

Aα-particles: least ionizing, γ-rays: least penetrating

Bα-particles: least penetrating, γ-rays: most ionizing

Cα-particles: most ionizing, γ-rays: most penetrating

Dα-particles: most penetrating, γ-rays: least ionizing

✓ Correct answer

C: α-particles: most ionizing, γ-rays: most penetrating

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.

Topic: Nuclear physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2017 Paper 1 Variant 2, question 38.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content