AS Physics Unit 1

AS Physics Unit 1

1. Matter and Raditation

   • The Particles
     • All Matter/AntiMatter
       • Leptons
         • Electron e
           • Charge = -1.6 ×10^(-19) C Relative Charge = -1 Mass = 9.11 ×10^(-31) kg Relative Mass = 0.0005
         • Tau τ
           • Mass = 3500e
         • Muon
           • Mass = 207e
         • Neutrinos ν ν ̅
           • Each Lepton has a Neutrino equivalent as well as antineutrino.
       • Hadrons
         • Mesons
           • Kaon K
           • Pion π
             • +, 0 or -
           • Baryon No. = 0
         • Baryons
           • Proton p
             • Charge = 1.6 ×10^(-19) C Relative Charge = +1 Mass = 1.675 ×10^(-27) kg Relative Mass = 1 Quark Configuration: uud
           • Antibaryons
             • Baryon No. = -1
             • Antiproton p ̅
             • Antineutron n ̅
           • Baryon No. = 1
           • Neutron n
             • Charge = 0 C Relative Charge = +1 Mass = 1.673 ×10^(-27) kg Relative Mass = 1 Quark Configuration: udd
         • All decay into a proton.
           • 11 min Half Life
         • Strong Force Dcay
     • Quarks
   • The Atom
     • Nuclei
   • Photons
   • Radiation
     • Gamma γ
       • Electromagnetic wave. No mass or charge. Emitted when the nucleus has too much energy (E) following α or β decay.
     • Alpha α
       • Helium Nucleus (2p, 2n) The daughter nucleus may be stable or unstable.
     • Beta β
       • High energy electron. During decay, a neutron becomes a proton. The β particle is produced at the point of change and is emitted immediately. It occurs when there are too many neutrons in a nucleus.
       • Beta + Decay
         • u -> d
           • uud -> udd
       • Beta - Decay
         • d -> u
           • udd -> uud
   • Electromagnetic Spectrum
     • E=hf

2. Quantum Phenomena

   • Photoelectricity
   • Collisions
   • Energy Levels
     • Atoms
     • Spectra
   • Wave Particle Duality

3. Electricity

   • Electric Current
   • DC
   • AC

4. Nucleon No.

5. Atomic No.

6. Element

7. Constants

   • Planck's Constant (h) 6.63 x10^(-34)

8. Equations

9. Conversions

   • Big
     • k (kilo)      = 10^(3) M (mega) = 10^(6) G (giga )   = 10^(9) T (tera)      = 10^(12)
   • Small
     • m (milli)  = 10^(-3) μ (micro) = 10^(-6) n (nano)  = 10^(-9) p (pico)    = 10^(-12) f (femto)   = 10^(-15)
   • Square
     • 1m^2 = 1 x10^(4)cm^2
   • Cube
     • 1m^3 = 1 x10^(6)cm^3

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