2023夏季GCSE考试和A-Level考试计划官宣！
和体制内一样，英国教育部也会在“黄金九十月”发布GCSE最新考试政策，各大考试局会根据教育部的相关政策，做出相应回复，修改考试大纲，增减主题内容。 英国教育部和考试监管机构Ofqual官宣2022年秋季及2023年夏季...
Edexcel A Level Physics:复习笔记5.33 Energy of a Photon
Energy of a Photon Photons are fundamental particles which make up all forms of electromagnetic radiation A photon is a massless “packet” or a “quantum” of electromagnetic energy What this means is...
Edexcel A Level Physics:复习笔记5.32 Wave-Particle Duality
Wave-Particle Duality Light can behave as a particle (i.e. photons) and a wave This phenomenon is called the wave-particle nature of light or wave-particle duality Light interacts with matter, such...
Edexcel A Level Physics:复习笔记5.31 Pulse-Echo Technique
Pulse-Echo Technique Foetal Scanning In medicine, ultrasound can be used to construct images of a foetus in the womb An ultrasound detector is made up of a transducer that produces and detects a be...
Edexcel A Level Physics:复习笔记5.30 Transmission & Reflection of Waves
Transmission & Reflection of Waves When waves are incident on the interface between two different media, they are either transmitted or reflected 'Incident on' simply means 'to meet' The interf...
Edexcel A Level Physics:复习笔记5.29 The de Broglie Equation
The de Broglie Equation Using ideas based upon the quantum theory and Einstein’s theory of relativity, de Broglie theorised that not only do EM waves sometimes behave as particles, but that very sm...
Edexcel A Level Physics:复习笔记5.28 The Wave Nature of Electrons
The Wave Nature of Electrons Electron diffraction was the first clear evidence that matter can behave like light and has wave properties This is demonstrated using the electron diffraction tube The...
Edexcel A Level Physics:复习笔记5.27 Core Practical 8: Investigating Diffraction Gratings
Core Practical 8: Investigating Diffraction Gratings Aim of the Experiment To find the wavelength of light using a diffraction grating Variables Independent variable = Distance between maxima, h De...
Edexcel A Level Physics:复习笔记5.26 The Diffraction Grating Equation
The Diffraction Grating Equation A diffraction grating is a plate on which there is a very large number of parallel, identical, close-spaced slits When monochromatic light is incident on a grating,...
