MYP Physics · 16 · data analysis
Tiny dip, distant planet
Space physics · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- discriminating
- Marks
- 7
- Topics
- 1
- Answer
- Complete
Question7 marks
A star's measured brightness falls by 1.0% during a transit. Assuming a fully dark planet and central transit, estimate planet radius as a fraction of star radius using depth = (Rp/Rs)2, and state one limitation.
Task interpretation
What a complete response should do
Identify the useful evidence, process it with units, and make only the conclusion the data supports.
Make assumptions explicit, connect several ideas, and test whether the final result is physically reasonable.
- Response type
- data analysis
- Allocation
- 7 marks
- Demand
- discriminating
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