Edexcel IGCSE Physics 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.1.3 The Wave Equation The Wave Equation All waves obey the?wave equation, which is used to calculate the?wave?speed: Where: v?= wave speed in?m...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.1.2 Describing Wave Motion Describing Wave Motion When describing wave motion, there are several terms which are important to know, including: Amplitude Wave...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.1.1 Transverse & Longitudinal Waves Transverse & Longitudinal Waves Waves can exist as one of two types: Transverse Longitudinal ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 2.4.4 Uses & Dangers of Static Electricity Uses of Static Electricity Electrostatic charges are used in everyday situations such as photocopiers and inkjet...
