Physics · Theme E: Nuclear and quantum physics

E.5 — Fusion and stars

Physics · SL / HL · syllabus-mapped notes

Fusion in stars
Stellar equilibrium, fusion as a star’s energy source, the conditions for it, and stellar evolution.
The Hertzsprung–Russell diagram
The main regions of the HR diagram and the properties of stars in each.
Measuring stars
Stellar parallax and distance units, and determining stellar radii from luminosity and temperature.

Full notes + a tutor. Every subject, one payment.

Camp45 turns the syllabus into notes that give you exactly what the exam asks — so you study smarter, not harder.

€19/mo

Flexible — cancel anytime

€149

Every subject, paid once

€229

Both years, paid once

Every understanding statement written out in full — nothing more than the exam asks, nothing left out.

Ask anything and it answers from the exact points you are studying.

All 26 IB subjects, SL & HL, covered by a single payment — no per-subject fees.

No credit card. Try the free Biology preview before you commit.