IB DP Physics Standard Level (2023 syllabus) · IB ib-phys-sl
B The particulate nature of matter
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on The particulate nature of matter
- Explain why the terminal potential difference of a battery decreases when the current draw… (4 marks, Explain)
- Explain why the current through a resistor connected in a circuit increases when the poten… (4 marks, Explain)
- Explain why two identical resistors connected in parallel have a combined resistance that … (4 marks, Explain)
- Explain why, when a hot metal spoon is placed into a cup of cold water and the system is l… (4 marks, Explain)
- Explain, in terms of molecular motion and collisions, why the pressure of a fixed mass of … (4 marks, Explain)
- Explain why the Earth's surface temperature remains approximately constant despite the Ear… (4 marks, Explain)
- Explain why carbon dioxide is classified as a greenhouse gas but diatomic gases such as ni… (4 marks, Explain)
- Explain how the enhanced greenhouse effect leads to an increase in the average surface tem… (4 marks, Explain)
- Explain why increasing the concentration of greenhouse gases in the atmosphere causes the … (4 marks, Explain)
- Explain why the intensity of radiation emitted by the Earth's surface is predominantly in … (4 marks, Explain)
- Explain why the resistance of a metallic conductor increases as its temperature increases. (4 marks, Explain)
- Explain, using the kinetic molecular model, why the pressure of an ideal gas remains const… (4 marks, Explain)
- Explain, using the kinetic molecular model, why the volume of a fixed mass of ideal gas in… (4 marks, Explain)
- Explain, using the kinetic molecular model, why the pressure exerted by a fixed mass of id… (4 marks, Explain)
- Explain, using the kinetic molecular model, why a fixed mass of ideal gas at constant temp… (4 marks, Explain)
- Explain why the brightness of a lamp decreases when a second identical lamp is connected i… (4 marks, Explain)
- Explain why thermal energy transfer by convection cannot occur in a solid. (4 marks, Explain)
- Explain why a gas in a thermally insulated container rises in temperature when it is rapid… (4 marks, Explain)
- Explain why evaporation from the surface of a liquid causes the temperature of the remaini… (4 marks, Explain)
- Explain why the rate of thermal energy transfer by conduction between two objects in conta… (4 marks, Explain)
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