IB Physics HL B 1 13 Convection Questions

Practise IB Physics HL B.1.13 by analysing density gradients and buoyancy as mechanisms of stellar thermal transport.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Analyse temperature and density gradients to explain buoyancy and convection in stellar plasma.
  • Evaluate convection as a mechanism for transporting thermal energy between stellar regions.

IB Physics HL B 1 13 Convection Questions question 1

[Maximum number: 2]

Star A is a main sequence star.

The data for Star A and the Sun are given in a table.

Table for Question IB Physics HL B 1 13 Convection Questions question 1 — IB Physics HL

Outline why regions of convection form in Star A.

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