Edexcel IGCSE Physics 复习笔记 4.1.6 Reducing Energy Loss
Edexcel IGCSE Physics 复习笔记 4.1.6 Reducing Energy Loss Reducing Energy Loss Energy loss can be reduced by doing one of two things: By reducing the amount of unwanted (wasted) energy that ...
Edexcel IGCSE Physics 复习笔记 4.1.6 Reducing Energy Loss Reducing Energy Loss Energy loss can be reduced by doing one of two things: By reducing the amount of unwanted (wasted) energy that ...
Edexcel IGCSE Physics 复习笔记 4.1.5 Core Practical: Investigating Thermal Energy Core Practical 8: Investigating Thermal Energy Equipment List Resolution of measuring equipment: Thermometer...
Edexcel IGCSE Physics 复习笔记 4.1.4 Conduction, Convection & Radiation Conduction Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection R...
Edexcel IGCSE Physics 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: The ratio of...
Edexcel IGCSE Physics 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 destroyed, it can o...
Edexcel IGCSE Physics 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 is stored when a ...
Edexcel IGCSE Physics 复习笔记 3.3.4 Pitch & Loudness Pitch The pitch of a sound is related to the frequency of the vibrating source of sound waves If the frequency of vibration is high,...
Edexcel IGCSE Physics 复习笔记 3.3.3 Core Practical: Using an Oscilloscope Core Practical 7: Using an Oscilloscope Aim of the Experiment The aim of this experiment is to investigate the freq...
Edexcel IGCSE Physics 复习笔记 3.3.2 Sound & Oscilloscopes Sound & Oscilloscopes An oscilloscope is a device that can be used to study a rapidly changing signal, such as: A sound wav...
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