Edexcel A Level Physics:复习笔记5.4 Transverse Waves
Transverse Waves Transverse Waves A transverse wave is one where the particles oscillate perpendicular to the direction of the Propagation of the wave Direction of energy transfer Transverse waves ...
Edexcel A Level Physics:复习笔记5.3 Longitudinal Waves
Longitudinal Waves Longitudinal Waves A longitudinal wave is one where the particles oscillate parallel to the; Propagation of the wave Direction of energy transfer Longitudinal waves show areas of...
Edexcel A Level Physics:复习笔记5.2 The Wave Equation
The Wave Equation The Wave Equation This equation links wave speed, frequency and wavelength Where: v = velocity of the wave (m s–1) f = frequency of the wave (Hz) λ = wavelength (m) The wav...
Edexcel A Level Physics:复习笔记5.1 Properties of Waves
Properties of Waves Waves are generated by oscillating sources These oscillations travel away from the source Oscillations can propagate through a medium (e.g. air, water) or in a vac...
Edexcel A Level Physics:复习笔记4.10 Elastic Strain Energy
Area Under a Force-Extension Graph For a material which obeys Hooke's law, the elastic strain energy, Eel can be determined by finding the area under the force-extension graph Since this are...
Edexcel A Level Physics:复习笔记4.9 Core Practical 5: Investigating Young Modulus
Core Practical 5: Investigating Young Modulus of a Material To measure the Young Modulus of a metal in the form of a wire requires a clamped horizontal wire over a pulley (or vertical wire a...
Edexcel A Level Physics:复习笔记4.8 Stress-Strain Graphs
Stress-Strain Graphs Stress-strain curves give an indication of the properties of materials such as Up to what stress and strain they obey Hooke's Law Whether they exhibit elastic and/or pla...
Edexcel A Level Physics:复习笔记4.7 Force-Extension Graphs
Force-Extension Graphs The way a material responds to a tensile or compressive force can be shown on a force-extension, or a force-compression graph Although compression can be put into equa...
Edexcel A Level Physics:复习笔记4.6 Stress, Strain & The Young Modulus
Stress & Strain Stress Stress is the applied force per unit cross sectional area of a material Forces can be; Tensile forces, which pull on an object and extend it Compressive forces, which pus...
