Edexcel A Level Physics:复习笔记5.9 Stationary Waves
Stationary Waves Stationary waves, or standing waves, are produced by the superposition of two waves of the same frequency and amplitude travelling in opposite directions This is usually achieved b...
Edexcel A Level Physics:复习笔记5.8 Phase & Path Difference
Phase & Path Difference Waves are said to be coherent if they have: The same frequency A constant phase difference Phase Difference Two points on a wave, or on different waves, are in ph...
Edexcel A Level Physics:复习笔记5.7 Interference & Superposition of Waves
Interference & Superposition of Waves Interference occurs whenever two or more waves combine to produce a resultant wave with a new amplitude Superposition literally means to be positioned over...
Edexcel A Level Physics:复习笔记5.6 Core Practical 6: Investigating the Speed of Sound
Core Practical 6: Investigating the Speed of Sound Aim of the Experiment To measure the speed of sound in air using an oscilloscope and a signal generator Variables Independent variable = Distance ...
Edexcel A Level Physics:复习笔记5.5 Representing Waves on Graphs
Graphs of Transverse & Longitudinal Waves Graphs of Transverse Waves There are two common graphs transverse waves; Displacement against distance Displacement against time These are: Similar bec...
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...
