AQA A Level Physics復習筆記3.2.3 Harmonics
Harmonics Stationary waves can have different wave patterns, known as?harmonics These depend on the?frequency?of the vibration and the?situation?in which they are created These harmon...
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AQA A Level Physics復習筆記3.2.2 Formation of Stationary Waves
Formation of Stationary Waves The Principle of Superposition The principle of superposition states: When two or more waves with the same frequency arrive at a point, the resultant displaceme...
AQA A Level Physics復習筆記3.1.3 Polarisation
Polarisation Polarisation is when: Particle oscillations occur in only one of the directions perpendicular to the direction of wave propagation Polarisation can only occur in transverse wave...
AQA A Level Physics復習筆記3.1.2 Longitudinal & Transverse Waves
Defining Transverse & Longitudinal Waves In mechanical waves, particles?oscillate?about fixed points There are two types of wave:?transverse?and?longitudinal The type of wave can be dete...
AQA A Level Physics復習筆記2.5.6 Analysis of the Nature of Matter
Analysis of the Nature of Matter The Evolving Field of Quantum Mechanics The field of quantum mechanics is a relatively new field of research, compared to fields in classical mechanics (Newt...
AQA A Level Physics復習筆記2.5.5 Diffraction Effects of Momentum
Diffraction Effects of Momentum When electrons pass through a slit similar in size to themselves, they exhibit a wavelike property(?Diffraction), meaning they spread out like a wave passing ...
AQA A Level Physics復習筆記2.5.4 The de Broglie Wavelength
The de Broglie Wavelength Using ideas based upon the quantum theory and Einstein’s theory of relativity, de Broglie suggested that the?momentum?(p) of a particle and its associated wavelengt...
AQA A Level Physics復習筆記2.5.3 Wave-Particle Duality
Wave-Particle Duality Light can behave as a particle (i.e. photons)?and?a wave This phenomenon is called the wave-particle nature of light or?wave-particle duality Light interacts with matte...
AQA A Level Physics復習筆記2.5.2 Energy Levels & Photon Emission
Line Spectra & Energy Levels Atomic Energy Levels Electrons in an atom can have only certain specific energies These energies are called?electron energy levels They can be represe...
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