Cambridge IGCSE Physics · 1.7 · data analysis
Efficiency of a solar panel
Energy transfers · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- routine
- Marks
- 3
- Topics
- 2
- Answer
- Complete
Question3 marks
A solar panel receives 700 J of energy and transfers 392 J usefully. Calculate its efficiency.
Task interpretation
What a complete response should do
Identify the useful evidence, process it with units, and make only the conclusion the data supports.
Name the standard relationship first, keep units attached, and show the substitution before the result.
- Response type
- data analysis
- Allocation
- 3 marks
- Demand
- routine
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