Topic 1 0.0 / 5 ? PhysicsMatter and radiationASAQA Created by: Jemma1494Created on: 01-06-21 20:19 Mass of a proton/neutron 1.67x10-27 1 of 17 Mass of an electron 9.11x10-31 2 of 17 Isotope Same number of protons and electrons Different number of neutrons 3 of 17 Proton/electron charge +/- 1.6x10-19 4 of 17 Wavelength equation Wavelength = velocity/frequency 5 of 17 Energy of a photon E=hf 6 of 17 Electromagnetic waves Contain photons Transverse waves 7 of 17 Neutrino Ve / Vu Don’t really interact with matter No charge 8 of 17 Forces Strong nuclear - attractive<3fm, repulsive<0.5fm, keeps nucleus stable Weak nuclear - attracts protons and neutrons Electromagnetic Electrostatic - repulsive>3fm 9 of 17 Annihilation When a particle and anti particle collide to form two photons of equal energy that travel in opposite directions 10 of 17 Equation for annihilation Eo = hfmin 11 of 17 Pair production When a high frequency photon produces a particle and anti particle 12 of 17 Beta decay A neutron turns to a proton producing an electron and anti electron neutrino 13 of 17 Electron capture A proton and electron turn to a neutron and an electron neutrino 14 of 17 Exchange particles Strong - gluon Weak - W+/W- boson Electromagnetic - virtual photon Gravitational - graviton 15 of 17 Electronvolt to joules X1.6x10-19 16 of 17 Planks constant 6.63x10-34 17 of 17
Comments
No comments have yet been made