← Back to full paperPrevious questionNext question

Question 11

From Physics HL Paper 1A (May 2025, TZ3)

Grade your answerAnswer this question in practice mode and submit it for feedback.Practice under timed constraintsOpen the paper flow with timed full-exam navigation.
View source PDF page 7
  1. Star X has a surface temperature TT, luminosity LL and radius RR.
    The luminosity of star Y is 4L4L and the surface temperature is 2T2T.
    What is the radius of star Y?

Textbook topics in this question

Review the exact course sections assessed by each question part.

Mixed-topic question