Required Practical: Investigating Stationary Waves Aims of the Experiment The overall aim of the experiment is to measure how the frequency of the first harmonic is affected by changing one ...
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...
牛津本科很多專業都要求申請者參加admissions test，也就是入學考試。 牛津本科一共有13項入學評估，除了10個統一筆試，還有美術的實踐考核、音樂的表演評估，以及LNAT法律入學筆試。 而劍橋入學考試分為pre-inte...
近日，牛劍默不作聲地突然“聯手”搞了大事情！！ 不僅把2022年所有筆試報名截止時間都提前到了9月30日，劍橋更是把多個原計劃11月2日舉行的筆試，提前到了10月18-19日！ 劍橋官宣部分入學筆試提前 突如其來的提前...
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...
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...
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...
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...
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 ...
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...
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...
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...
