Equations and Numbers

Question 1

Equation to find max electrons for a shell

Answer 1

2n^2

Question 2

Bit depth formula

Answer 2

2^n

Question 3

quality factor of x-ray

Answer 3

1

Question 4

quality factor of gamma rays

Answer 4

1

Question 5

quality factor of beta particle

Answer 5

1

Question 6

quality factor of alpha particle

Answer 6

20

Question 7

quality factor of high energy photon

Answer 7

10

Question 8

quality factor of neutron

Answer 8

10

Question 9

relationship between linear energy transfer and relative biologic effectiveness

Answer 9

direct

Question 10

relationship between linear energy transfer and cell survival rate

Answer 10

indirect

Question 11

relationship between relative biologic effectiveness and cell survival rate

Answer 11

indirect

Question 12

scatter leaves with how much ernergy

Answer 12

1/1000; 0.001; 0.1%

Question 13

formula for energy of electromagnetic radiation

Answer 13

E=hf; h=plank’s constant; f=frequency

Question 14

what is planks constant

Answer 14

4.135x10^-15 eV sec; 6.626x10^-34 J sec

Question 15

what is 1 Hz

Answer 15

1 cycle per second

Question 16

formula for finding wavelength or frequency of electromagnetic radiation

Answer 16

v=fxλ; λ - wavelength; f - frequency; v - velocity (speed of light)

Question 17

what is 1 coulomb equivalent to

Answer 17

6.25x10^18 electrons

Question 18

ohms law

Answer 18

V=IR

Question 19

formula for power

Answer 19

P=IV

Question 20

transformer law for voltage

Answer 20

Vs/Vp=Ts/Tp

Question 21

transformer law for current

Answer 21

Is/Ip=Tp/Ts

Question 22

relationship of voltage to current in a transformer

Answer 22

Is/Ip=Vp/Vs

Question 23

Ripple for three phase, 6 pulse

Answer 23

13%

Question 24

ripple for three phase, 12 pulse

Answer 24

4%

Question 25

ripple for three phase, high frequency

Answer 25

<1%

Question 26

ripple for half-wave recitification

Answer 26

100%

Question 27

Binding energy for k-shell of Tungsten

Answer 27

69.5 keV

Question 27

ripple for full wave rectification

Answer 27

100%

Question 28

binding energy for l-shell of Tungsten

Answer 28

12.1 keV

Question 29

binding energy for m-shell of Tungsten

Answer 29

2.82 keV

Question 30

binding energy for n-shell tungsten

Answer 30

0.6 keV

Question 31

binding energy for o-shell Tungsten

Answer 31

0.08 keV

Question 32

binding energy for p-shell of tungsten

Answer 32

0.008 keV

Question 33

correction factor for single phase generator

Answer 33

1

Question 34

correction factor for three phase, 6 pulse generator

Answer 34

1.35

Question 35

correction factor for three phase, 12 pulse generator

Answer 35

1.41

Question 36

correction factor for high frequency generator

Answer 36

1.45