CourseCourse QuestionQuestion

A. Space, time and motion

B. The particulate nature of matter

C. Wave behaviour

E. Nuclear and quantum physics

E.1 Structure of the atom

E.2 Quantum physics

E.3 Radioactive decay

E.3.1—Isotopes

E.3.2—Binding energy and mass defect

E.3.3—Binding energy curve

E.3.4—Mass-energy equivalence

E.3.5—Strong nuclear force

E.3.6—Random radioactive decay

E.3.7—Decay nuclear changes

E.3.8—Decay equations

E.3.9—Neutrinos and antineutrinos

E.3.10—Radiation penetration and ionization

E.3.11—Activity, count rate and half-life

E.3.12—Half-life changes

E.3.13—Background radiation

E.3.14 (HL)—Evidence for strong force

E.3.15 (HL)—Neutron-proton ratio

E.3.16 (HL)—Binding energy above A≈60

E.3.17 (HL)—Discrete nuclear energy levels

E.3.18 (HL)—Beta spectrum and neutrino

E.3.19 (HL)—Radioactive decay law

E.3.20 (HL)—Decay constant meaning

E.3.21 (HL)—Activity equation

E.3.22 (HL)—Half-life and decay constant

E.5 Fusion and stars

S Skills in Physics

IB/Physics/HL//Concept/E. Nuclear and quantum physics/E.3 Radioactive decay/E.3.16 (HL)—Binding energy above A≈60

E. Nuclear and quantum physics HL

Syllabus: First assessment 2025
Section: —
Level: HL

Exam analysis

Most tested topics

E.1 Structure of the atom
E.2 Quantum physics
E.3 Radioactive decay
E.4 Fission
E.5 Fusion and stars