IB DP Physics: SL復習筆記4.5.4 Harmonics
Harmonics Stationary waves can have different wave patterns, known as?harmonics These depend on the?frequency?of the vibration and the?boundary conditions?(i.e. fixed and/or free ends) The harmonic...
IB DP Physics: SL復習筆記4.5.3 Boundary Conditions for Standing Waves
Boundary Conditions Stationary waves can form on strings or in pipes In both cases, progressive waves travel in a medium (i.e. the string or air) and superimpose with their reflections The number o...
IB DP Physics: SL復習筆記4.5.2 Nodes & Antinodes
Nodes & Antinodes A standing wave is made up?nodes?and?antinodes Nodes?are locations of?zero amplitude?and they are?separated by half a wavelength?(λ/2) Antinodes?are locations of?maximum ampli...
IB DP Physics: SL復習筆記4.5.1 The Nature of Standing Waves
The Nature of Standing Waves Standing waves?are produced by the?amplitude?travelling in?opposite directions This is usually achieved when a travelling wave superimposes its reflection The superposi...
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IB DP Physics: SL復習筆記4.4.7 Double-Slit Equation
Double-Slit Equation Interference Patterns Interference patterns depend on: The?coherent?light incident on the slits The?distance between the slits and the screen?where the interference pattern is ...
IB DP Physics: SL復習筆記4.4.6 Interference & Path Difference
Double-Slit Interference Interference?occurs whenever two or more waves combine to produce a resultant wave with a new resultant?displacement The waves combine according to the?principle of superpo...
IB DP Physics: SL復習筆記4.4.5 Single-Slit Diffraction
Single-Slit Diffraction Diffraction is the?spreading out?of waves when they pass an obstruction This obstruction is typically a narrow slit known as an aperture As waves pass through the aperture, ...
IB DP Physics: SL復習筆記4.4.3 Refraction
Refraction When light crosses the boundary between two media with different?optical densities, it?refracts At the boundary, the light undergoes a?change in direction The change in direction depends...
