CIE A Level Physics復習筆記23.1.2 Nuclear Equations
Representing Simple Nuclear Reactions Nuclear reactions can be represented by balanced equations of nuclei in the AZX form AZX notation for atomic nuclei The top number A represents the?nucleon?num...
CIE A Level Physics復習筆記23.1.1 Energy & Mass Equivalence
Energy & Mass Equivalence Einstein showed in his?theory of relativity?that matter can be considered a form of energy and hence, he proposed: Mass can be converted into energy Energy can be conv...
CIE A Level Physics復習筆記22.3.3 Calculating Discrete Energies
Calculating Discrete Energies The difference between two energy levels is equal to a specific photon energy The energy (hf) of the photon is given by: ΔE = hf = E2?- E1 Where, E1?= Energy of the hi...
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...
