Conduction Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection Radiation Objects will always lose heat until they are in thermal equi...
Edexcel IGCSE Physics: Double Science 复习笔记：4.1.3 Efficiency Efficiency The efficiency of a system is a measure of how well energy is transferred in a system Efficiency is defined as: &n...
Edexcel IGCSE Physics: Double Science 复习笔记：4.1.2 Conservation of Energy Conservation of Energy The principle of conservation of energy states that: Energy cannot be created or de...
Edexcel IGCSE Physics: Double Science 复习笔记：4.1.1 Energy Stores & Transfers Energy Stores & Transfers Energy can be stored in different ways, and there are changes in the way it ...
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.6 Total Internal Reflection Total Internal Reflection Sometimes, when light is moving from a denser medium towards a less dense one, inste...
Reflection & Refraction All waves, whether transverse or longitudinal, can be reflected and refracted Reflection occurs when: A wave hits a boundary between two media and does not...
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.5 Core Practical: Investigating Snell's law Core Practical 5: Investigating Snell's Law Aim of the Experiment To investigate the refractiv...
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.4 Snell's Law Snell's Law When light enters a denser medium (such as glass) it slows down and bends towards the normal How much the light ...
Edexcel IGCSE Physics: Double Science 复习笔记：3.2.3 Core Practical: Investigating Refraction Core Practical 4: Investigating Refraction Aim of the Experiment To investigate the refraction ...
