Equations and Numbers Flashcards
Equation to find max electrons for a shell
2n^2
Bit depth formula
2^n
quality factor of x-ray
1
quality factor of gamma rays
1
quality factor of beta particle
1
quality factor of alpha particle
20
quality factor of high energy photon
10
quality factor of neutron
10
relationship between linear energy transfer and relative biologic effectiveness
direct
relationship between linear energy transfer and cell survival rate
indirect
relationship between relative biologic effectiveness and cell survival rate
indirect
scatter leaves with how much ernergy
1/1000; 0.001; 0.1%
formula for energy of electromagnetic radiation
E=hf; h=plank’s constant; f=frequency
what is planks constant
4.135x10^-15 eV sec; 6.626x10^-34 J sec
what is 1 Hz
1 cycle per second
formula for finding wavelength or frequency of electromagnetic radiation
v=fxλ; λ - wavelength; f - frequency; v - velocity (speed of light)
what is 1 coulomb equivalent to
6.25x10^18 electrons
ohms law
V=IR
formula for power
P=IV
transformer law for voltage
Vs/Vp=Ts/Tp
transformer law for current
Is/Ip=Tp/Ts
relationship of voltage to current in a transformer
Is/Ip=Vp/Vs
Ripple for three phase, 6 pulse
13%
ripple for three phase, 12 pulse
4%
ripple for three phase, high frequency
<1%
ripple for half-wave recitification
100%
Binding energy for k-shell of Tungsten
69.5 keV
ripple for full wave rectification
100%
binding energy for l-shell of Tungsten
12.1 keV
binding energy for m-shell of Tungsten
2.82 keV
binding energy for n-shell tungsten
0.6 keV
binding energy for o-shell Tungsten
0.08 keV
binding energy for p-shell of tungsten
0.008 keV
correction factor for single phase generator
1
correction factor for three phase, 6 pulse generator
1.35
correction factor for three phase, 12 pulse generator
1.41
correction factor for high frequency generator
1.45
