IB DP Physics: SL复习笔记7.3.5 Fundamental Forces
Fundamental Forces The Strong Nuclear Force In the nucleus, there are electrostatic forces between the protons due to their electric charge and gravitational forces due to their mass Comparatively,...
IB DP Physics: SL复习笔记7.3.4 Particle Conservation Laws
Particle Conservation Laws Charge Electric charge must be conserved during particle interactions This means charge must have the same value overall before and after the interaction Charge is found ...
IB DP Physics: SL复习笔记7.3.3 Hadrons, Baryons & Mesons
Hadrons, Baryons & Mesons Hadrons are the group of subatomic particles that are made up of quarks These may be either a: Baryon (3 quarks) Meson (quark and anti-quark pair) Hadrons may be eithe...
IB DP Physics: SL复习笔记7.3.2 Quarks & Leptons
Quarks & Leptons Quarks Quarks are fundamental particles that make up other subatomic particles such as protons and neutrons Protons and neutrons are in a category of particles called hadrons H...
IB DP Physics: SL复习笔记7.3.1 Discovery of the Nucleus
The Rutherford-Geiger-Marsden Experiment Evidence for the structure of the atom was discovered by Ernest Rutherford in the beginning of the 20th century from the study of α-particle scattering The ...
IB DP Physics: SL复习笔记7.2.4 Binding Energy per Nucleon Curve
Binding Energy per Nucleon Curve In order to compare nuclear stability, it is more useful to look at the binding energy per nucleon The binding energy per nucleon is defined as: The binding energy ...
IB DP Physics: SL复习笔记7.2.3 Nuclear Fission & Fusion
Nuclear Fission & Fusion Nuclear Fusion Fusion is defined as: The joining of two small nuclei to produce a larger nucleus Low mass nuclei (such as hydrogen and helium) can undergo fusion and re...
IB DP Physics: SL复习笔记7.2.2 Mass Defect & Nuclear Binding Energy
Mass Defect & Nuclear Binding Energy 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...
IB DP Physics: SL复习笔记7.2.1 Atomic Mass Unit
Atomic Mass Unit The unified atomic mass unit u is roughly equal to the mass of one proton or neutron: 1u = 1.66 × 10−27 kg It is sometimes abbreviated to a.m.u This value will be given on your dat...
