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...
