MYP Physics · 16 · free response
Starlight at two distances
Space physics · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 5
- Topics
- 1
- Answer
- Complete
Question5 marks
Two observers view the same star. Observer Y is three times farther from it than observer X. Compare the received intensity, assuming no absorption.
Task interpretation
What a complete response should do
Develop a connected physics argument and support each claim with a relationship, calculation, or observation.
Split the problem into linked stages and state why each relationship applies.
- Response type
- free response
- Allocation
- 5 marks
- Demand
- demanding
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