# Shared Flashcard Set

## Details

Physics GRE - Atomic Physics
atomic physics
14
Physics
10/21/2012

Term
 Fission (Neutron Capture)
Definition
 n+AZX→A+1ZX*→A+1ZX+γ
Term
 Fusion
Definition
 11H+11H→21H+e++νe or 11H+21H→32He+γ
Term
 Nuclear Binding Energy: Eb=
Definition
 =(Zmp+Nmn-M)*931.494   (M=atomic mass)   (Iron has the highest binding energy)
Term
 Beta decay:
Definition
 AZEl1→AZ+1El2+e-+νe   or AZEl1→AZ-1El2+e++νe-   or AZEl1→AZ-1El1+νe-
Term
 Gamma Decay:
Definition
 AZEl*→AZEl+γ
Term
 Spontaneous Fission:
Definition
 A1Z1El1→A2Z2El2+A3Z3El3+n42He
Term
 Wavelength for H emission lines:   1/λ=
Definition
 =RH(1/nf2-1/n02)   (RH = Rhydberg const = 1.097E7 m-1)
Term
 Energy of electron in H atom:   En=
Definition
 =13.6eV/n2
Term
 Allowed values of orbital angular momentum:   L=
Definition
 =√(l(l+1)) h-bar   (l=0,1,2,...n-1)
Term
 Allowed values of z component of orbital momentum:   Lz=
Definition
 =mlh-bar
Term
 AZEl
Definition
 A=Z+N (number of nucleons)   (Z= number of protons)   (N= number of neutrons)
Term
 Compton Effect     Δλ=     λc=
Definition
 =λc(1-cosθ)     =h/(mec)
Term
 Bohr's Law       E=
Definition
 =-13.6(z-b)2(1/n02-1/nf2)
Term
 Atomic Series'
Definition
 K =1 L=2 M=3 N=4
Supporting users have an ad free experience!