AQA A Level Physics復習筆記2.2.2 Baryons
Baryon Number The baryon number,?B, is the number of baryons in an interaction B?depends on whether the particle is a baryon, anti-baryon or neither Baryons have a baryon number?B?= +1 Anti-...
AQA A Level Physics復習筆記2.1.5 Particles, Antiparticles & Photons
Antimatter The universe is made up of?matter?particles (protons, neutrons, electrons etc.) All matter particles have antimatter counterparts Antimatter particles are identical to their matte...
AQA A Level Physics復習筆記2.1.4 Alpha & Beta Decay
α & β Decay Equations Alpha Decay Alpha decay is common in large, unstable nuclei with too many protons The decay involves a nucleus emitting an alpha particle and decaying into a differ...
AQA A Level Physics復習筆記2.1.3 Strong Nuclear Force
Strong Nuclear Force In the nucleus, there are electrostatic forces between the protons due to their electric charge and gravitational forces due to their mass Comparatively, gravity is a ve...
AQA A Level Physics復習筆記2.1.2 Nucleon & Proton Number
AZX Notation A nuclide is a group of atoms containing the same number of protons and neutrons For example, 5 atoms of oxygen are all the same nuclide but are 5 separate atoms Atomic s...
英國某考試局承認在GCSE物理試卷中存在重大錯誤！
今年英國大考烏龍不少，開考不久后，英國某考試局承認在GCSE物理試卷中存在重大錯誤。 01.出題錯誤的題目，所有學生都可獲得滿分 在6月9日星期四舉行的GCSE物理高級卷Paper 1中，包含了一個關于電路的問題，然而...
關于IB音樂課程的一系列問題！
了解IBDP課程的同學和家長應該知道IB在選課上有六個大方向，音樂就是包含在Group 6 — The Arts中的一個選項。在官方的選課規則里，Group 6是可以用Group 2, Group 3或Group 4來替換的，在學生不想學習藝術有關的...
GCSE和IGCSE各科目難易程度怎么樣？
GCSE或者IGCSE科目眾多，Edexcel GCSE提供52門考試，IGCSE有近43門考試；CAIE考試局的IGCSE有70余門考試。GCSE和IGCSE各科目難易程度怎么樣？ 不論是英國本土還是國內的國際學校，一般會要求學生在GCSE/IGCSE階段...
AQA A Level Physics復習筆記1.2.3 Determining Uncertainties from Graphs
Using Error Bars The uncertainty in a measurement can be shown on a graph as an?error bar This bar is drawn above and below the point (or from side to side) and shows the?uncertainty?in that...
