AQA A Level Physics复习笔记4.1.2 Resolving Vectors
Resolving Vectors Two vectors can be represented by a single resultant vector Resolving a vector is the opposite of adding vectors A single resultant vector can be resolved This means...
AQA A Level Physics复习笔记4.1.1 Scalars & Vectors
Scalars & Vectors A scalar is a quantity which only has a magnitude (size) A vector is a quantity which has both a magnitude and a direction For example, if a person goes on a hike in th...
AQA A Level Physics复习笔记3.5.1 Refraction at a Plane Surface
Refractive Index Refraction occurs when light passes a boundary between two different transparent media At the boundary, the rays of light undergo a change in direction The direction is take...
AQA A Level Physics复习笔记3.4.1 Single Slit Diffraction
Diffraction Diffraction is the spreading out of waves when they pass an obstruction This obstruction is typically a narrow slit known as an aperture The extent of diffraction depends ...
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 ...
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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,...
2022年UCAS补录发生变化，调剂环节被取消！
UCAS（英国大学招生服务中心）发布公告，从2022年的入学年开始，2022年UCAS补录发生变化，不再使用调剂（Adjustment），改为补录（Clearing），2022年申请季的Clearing已经在7月5日正式开放了。 UCAS取消“调剂”环...
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...
