IB Physics · E.2 · data analysis
Photoelectric stopping potential 9
Nuclear and quantum physics · Quantum physics · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 5
- Topics
- 2
- Answer
- Complete
Question5 marks
Light of frequency 8.75 × 1014 Hz illuminates a metal with work function 2.52 eV. Use h = 4.14 × 10-15 eV s. Determine the maximum photoelectron kinetic energy and stopping potential.
Task interpretation
What a complete response should do
Identify the useful evidence, process it with units, and make only the conclusion the data supports.
Split the problem into linked stages and state why each relationship applies.
- Response type
- data analysis
- Allocation
- 5 marks
- Demand
- demanding
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