Edexcel IGCSE Physics 复习笔记 3.3.2 Sound & Oscilloscopes
Edexcel IGCSE Physics 复习笔记 3.3.2 Sound & Oscilloscopes Sound & Oscilloscopes An oscilloscope is a device that can be used to study a rapidly changing signal, such as: A sound wav...
Edexcel IGCSE Physics 复习笔记 3.3.1 Core Practical: Investigating the Speed of Sound
Edexcel IGCSE Physics 复习笔记 3.3.1 Core Practical: Investigating the Speed of Sound Core Practical 6: Investigating the Speed of Sound Equipment List Resolution of measuring equipment: Tru...
Edexcel IGCSE Physics 复习笔记 3.2.6 Total Internal Reflection
Edexcel IGCSE Physics 复习笔记 3.2.6 Total Internal Reflection Total Internal Reflection Sometimes, when light is moving from a denser medium towards a less dense one, instead of being refracted, a...
Edexcel IGCSE Physics 复习笔记 3.2.5 Core Practical: Investigating Snell's law
Edexcel IGCSE Physics 复习笔记 3.2.5 Core Practical: Investigating Snell's law Core Practical 5: Investigating Snell's Law Aim of the Experiment To investigate the refractive index of glass,...
Edexcel IGCSE Physics 复习笔记 3.2.4 Snell's Law
Edexcel IGCSE Physics 复习笔记 3.2.4 Snell's Law Snell's Law When light enters a denser medium (such as glass) it slows down and bends towards the normal How much the light bends depends on ...
Edexcel IGCSE Physics 复习笔记 3.2.3 Core Practical: Investigating Refraction
Edexcel IGCSE Physics 复习笔记 3.2.3 Core Practical: Investigating Refraction Core Practical 4: Investigating Refraction Aim of the Experiment To investigate the refraction of light using re...
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...
