IB
IBO
Physics
May 2021
QP-202105-Physics-P2(TZ1)-SL · Question 4
Question (excerpt):
4. A planet orbits at a distance d from a star. The power emitted by the star is P. The total surface area of the planet is A. (a) (i) Explain why the power incident on the planet is P d 4 2 4 A × .…
4. A planet orbits at a distance d from a star. The power emitted by the star is P. The total surface area of the planet is A. (a) (i) Explain why the power incident on the planet is P d 4 2 4 A × .…
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