Stellar radii
25.2What the syllabus asks of you
- recall and use Wien’s displacement law λmax ∝ 1 / T to estimate the peak surface temperature of a star
- use the Stefan–Boltzmann law L = 4πσr²T⁴
- use Wien’s displacement law and the Stefan–Boltzmann law to estimate the radius of a star
Read the notes first
Chapter 25: Stellar radii
Drill this topic
All 8 questions on Stellar radii, untimed — answer on paper, then mark yourself against the mark scheme.
Make a worksheet
Choose the years and how many questions, then print it with the answers on separate pages.
8 questions
These are structured questions, answered in working rather than by picking an option, so they are not listed here one by one. The drill above puts each in front of you with its mark scheme to check against.