Edexcel IGCSE Physics Physics Paper 1 January 2023 examiner report (4PH1/1PR)
Examiner report
- Q1 - 7 marks - Describing motion along a line, Reflection and refraction of waves
- Q2 - 12 marks - Orbital motion and satellites, The life cycle of a star
- Q3 - 11 marks - Acceleration, Contact and non-contact forces, Ideal gases and the gas laws, Pressure in fluids
- Q4 - 9 marks - Resistors and I-V characteristics
- Q5 - 10 marks - Half-life, Irradiation and contamination, Nuclear equations, Nuclear fission, Nuclear fusion
- Q6 - 10 marks - Conduction, convection and radiation, Electrical power and energy transfers
- Q7 - 9 marks - Refractive index and Snell's law, Total internal reflection and optical fibres
- Q8 - 9 marks - Density
- Q9 - 10 marks - Energy stores and systems, Irradiation and contamination, Kinetic, elastic and gravitational potential energy, Radioactive decay and nuclear radiation, Work done and energy transfer
- Q10 - 12 marks - Newton's laws of motion, Resultant forces, The Doppler effect
- Q11 - 11 marks - Electromagnetism, Induced potential and the generator effect, Permanent and induced magnetism, magnetic fields, The motor effect
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