IB DP Maths: AI SL复习笔记4.1.2 Statistical Measures
Mean, Mode, Median What are the mean, mode and median? Mean, median and mode are measures of central tendency They describe where the centre of the data is They are all types of averages In statist...
2022-2023达特茅斯学院补充文书题目公布
进入暑期以来，我们都有密切关注美国大学2023Fall入学资讯更新，并将其及时整理成专辑内容，供申请生取用。最近，2022-2023达特茅斯学院补充文书题目公布。八大藤校之一的私立名校，率先公开了2022-2023年补充文...
Edexcel IGCSE Physics 复习笔记 3.2.2 Reflection & Refraction
Edexcel IGCSE Physics 复习笔记 3.2.2 Reflection & Refraction Reflection & Refraction All waves, whether transverse or longitudinal, can be reflected and refracted Reflection occurs w...
Edexcel IGCSE Physics 复习笔记 3.2.1 Light & Sound Waves
Edexcel IGCSE Physics 复习笔记 3.2.1 Light & Sound Waves Light Visible light is a part of the electromagnetic spectrum which means it is a transverse wave This means the direction the li...
Edexcel IGCSE Physics 复习笔记 3.1.7 Dangers of EM Waves
Edexcel IGCSE Physics 复习笔记 3.1.7 Dangers of EM Waves Dangers of EM Waves As the frequency of electromagnetic (EM) waves increases, so does the energy Beyond the visible part of the spect...
Edexcel IGCSE Physics 复习笔记 3.1.6 Applications of EM Waves
Edexcel IGCSE Physics 复习笔记 3.1.6 Applications of EM Waves Applications of EM Waves Electromagnetic waves have a variety of uses and applications The main ones are summarised in the table...
Edexcel IGCSE Physics 复习笔记 3.1.5 Electromagnetic (EM) Waves
Edexcel IGCSE Physics 复习笔记 3.1.5 Electromagnetic (EM) Waves Properties of EM Waves Electromagnetic waves are defined as: Transverse waves that transfer energy from the source of t...
Edexcel IGCSE Physics 复习笔记 3.1.4 The Doppler Effect
Edexcel IGCSE Physics 复习笔记 3.1.4 The Doppler Effect The Doppler Effect The Doppler Effect is defined as: The apparent change in wavelength and frequency of a wave emitted by a mov...
IB DP Maths: AI SL复习笔记4.1.1 Sampling & Data Collection
Types of Data What are the different types of data? Qualitative data is data that is usually given in words not numbers to describe something For example: the colour of a teacher's car Quantitativ...
