Equations Flashcards
1
Q
Exposure Rate in R/h
A
X=6CEN/d^2
C=Source Activity in Curies
E=Photon Energy in MeV
N=Number of photons per disintegration (photon yield)
d=distance from radiation source
2
Q
Decay Constant
A
Lamda = ln(2)/T(1/2) = 0.693/T(1/2)
3
Q
Half Value Layer
A
HVL
