题型总览
Paper 5 核心题型
Paper 5 has two compulsory questions:
Q1: Experiment Planning (15 marks)
Type A: Mechanics Experiments
- Springs, pendulums, inclined planes, trolleys
- Key instruments: ruler, stopwatch, balance, protractor
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Type B: Electrical Experiments
- Circuits, capacitors, coils, induction
- Key instruments: oscilloscope, signal generator, ammeter, voltmeter
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Type C: Thermal Experiments
- Heating, cooling, Newton's law of cooling
- Key instruments: thermometer, heater, stopwatch
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Type D: Wave Experiments
- Stationary waves, sound waves
- Key instruments: signal generator, loudspeaker, oscilloscope, ruler
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Q2: Data Analysis (15 marks)
Type E: Linearization from given equation
Given an equation like , find what to plot
Type F: Graph plotting with error bars
Plot points, draw error bars, best fit line, worst acceptable line
Type G: Gradient and uncertainty determination
Calculate gradient from best fit and worst acceptable lines
Type H: Calculate constants and their uncertainties
Use gradient and intercept to find physical constants with error propagation