CIE A Level Physics復習筆記22.3.2 Line Spectra
Line Spectra Line spectra is a phenomenon which occurs when excited atoms emit light of certain wavelengths which correspond to different colours The emitted light can be observed as a series of co...
成都開設IB課程的國際學校有哪些？
成都作為成渝地區雙城經濟圈核心城市，在這個因疫情反復和國際形勢下，仍有不少家長會為孩子選擇走國際體系。那么成都又有哪幾所開設IB課程的國際學校有哪些值得大家了解呢？ 1.成都美視國際學校 成都美視國際學...
CIE A Level Physics復習筆記22.3.1 Atomic 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 represented as a series of stacked horizontal lines in...
CIE A Level Physics復習筆記22.2.2 The de Broglie Wavelength
The de Broglie Wavelength De Broglie proposed that electrons travel through space as a wave This would explain why they can exhibit behaviour such as diffraction He therefore suggested that electro...
CIE A Level Physics復習筆記22.2.1 Wave-Particle Duality
Wave-Particle Duality Light waves can behave like particles, i.e. photons,?and?waves This phenomenon is called the wave-particle nature of light or wave-particle duality Light interacts with matter...
CIE A Level Physics復習筆記22.1.5 The Work Function
Photoelectric Emission The work function Φ, or threshold energy, of a material is defined as: The minimum energy required to release a photoelectron from the surface of a material Consider the elec...
CIE A Level Physics復習筆記22.1.4 Threshold Frequency
Threshold Frequency & Wavelength The concept of a threshold frequency is required in order to explain why a low frequency source, such as a filament lamp, was unable to liberate any electrons i...
CIE A Level Physics復習筆記22.1.3 The Photoelectric Effect: Basics
The Photoelectric Effect: Basics The?photoelectric effect?is the phenomena in which electrons are emitted from the surface of a metal?upon the absorption of electromagnetic radiation Electrons remo...
CIE A Level Physics復習筆記22.1.2 The Electronvolt
The Electronvolt The electronvolt is a unit which is commonly used to express very small energies This is because quantum energies tend to be much smaller than 1 Joule The electronvolt is derived f...
