CourseCourseQuestionQuestion
IB Physics
A. Space, time and motion
B. The particulate nature of matter
C. Wave behaviour
D. Fields
E. Nuclear and quantum physics
E.1 Structure of the atom
E.2 Quantum physics
E.3 Radioactive decay
E.4 Fission
E.5 Fusion and stars
E.5.1—Stellar equilibrium
E.5.2—Fusion in stars
E.5.3—Fusion conditions
E.5.4—Stellar mass and evolution
E.5.5—HR diagram regions
E.5.6—Stellar parallax
E.5.7—Stellar radii
S Skills in Physics
IB/Physics/HL//Concept/E. Nuclear and quantum physics/E.5 Fusion and stars/E.5.6—Stellar parallax

E. Nuclear and quantum physics HL

Syllabus
First assessment 2025
Section
—
Level
HL

Exam analysis

Most tested topics

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