AQA A Level Physics复习笔记3.3.1 Path Difference & Coherence
Path Difference & Coherence Interference occurs when waves overlap and their resultant displacement is the sum of the displacement of each wave This result is based on the principle of s...
AQA A Level Physics复习笔记3.2.1 Stationary Waves
Stationary Waves Standing waves are produced by the superposition of two waves of the same frequency and amplitude travelling in opposite directions This is usually achieved by a travelling ...
AQA A Level Physics复习笔记3.1.1 Progressive Waves
Properties of Oscillations A progressive wave is defined as: A wave that transfers energy from one point to another without transferring the medium itself Properties of a Progressive Wave Di...
AQA A Level Physics复习笔记3.5.3 Fibre Optics
Fibre Optics Fibre optics utilise the phenomenon of total internal reflection to send high speed light signals over large distances These have many important uses, including: Communications,...
2022AP成绩出分，如何查分/送分/复议/取消/隐藏？
2022AP考试成绩将在7月5日全球同步发送，每位考生可以通过自己的AP学生账号在线查询成绩。但拿到考试成绩不是终点，还需要留意后续的成绩相关流程。 接下来这篇文章会针对同学关心的问题：查分/送分/复议/取消/隐...
AQA A Level Physics复习笔记3.5.2 Snell's Law
Snell's Law Snell’s law relates the angle of incidence to the angle of refraction, it is given by: n1 sin θ1 = n2 sin θ2 Where: n1 = the refractive index of material 1 n2 = the refractive in...
AQA A Level Physics复习笔记3.4.2 The Diffraction Grating
The Diffraction Grating 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, a...
AQA A Level Physics复习笔记3.3.5 Required Practical: Young's Slit Experiment & Diffraction Gratings
Required Practical: Young's Slit Experiment & Diffraction Gratings Equipment List Resolution of measuring equipment: Metre ruler = 1 mm Vernier Callipers = 0.01 mm Young’s Double-...
AQA A Level Physics复习笔记3.3.4 Developing Theories of EM Radiation
Developing Theories of EM Radiation Isaac Newton (1672) Newton proposed that visible light is a stream of microscopic particles called corpuscles However, these corpuscles could not explain ...
