Intro To Rad Physics ...final

Front 1

10^9

Back 1

Giga-

Front 2

10^6

Back 2

Mega-

Front 3

10^3

Back 3

kilo

Front 4

10^-2

Back 4

centi-

Front 5

10^-3

Back 5

milli-

Front 6

10^-6

Back 6

micro-

Front 7

10^-9

Back 7

nano

Front 8

Length is represented by what?

Back 8

m

Front 9

Volume is represented by what?

Back 9

m^3

Front 10

Area is represented by what?

Back 10

m^2

Front 11

Surface area is represented by what?

Back 11

m^2

Front 12

How do you find the surface area and volume?

Back 12

SA= lw (of each) + 1/2 bh (2)

V= 1/2bwh

Front 13

What is 1 inch in centimeters

Back 13

2.54

Front 14

Area of a rectangle

Back 14

lw

Front 15

area of a triangle

Back 15

1/2bh

Front 16

area of a circle

Back 16

πr^2

Front 17

Volume of a sphere

Back 17

4/3 πr^3

Front 18

Surface area of a sphere

Back 18

4π2^2

Front 19

surface area of cylinders

Back 19

(2πr^2)+(π2rh)

Front 20

Distance formula

Back 20

square root of (x-x)^2+ (y-y)^2

Front 21

α

Back 21

Alpha

Front 22

β

Back 22

beta

Front 23

Γ

Back 23

gamma

Front 24

θ

Back 24

theta

Front 25

μ

Back 25

Mu

Front 26

π

Back 26

Pi

Front 27

ρ

Back 27

Rho

Front 28

Σ

Back 28

sigma

Front 29

σ

Back 29

sigma

Front 30

φ

Back 30

Phi

Front 31

Ω

Back 31

omega

Front 32

ω

Back 32

omega

Front 33

Equation for Current

Back 33

I = Q / t

Front 34

What is current measured in?

Back 34

Atmosphere (A) (c/s)

Front 35

What is the equation for kinetic energy

Back 35

K=1/2mv^2

Front 36

Kinetic energy is measured in what?

Back 36

Joules (J)

Front 37

equation for electric potential energy

Back 37

U=qv

Front 38

What is electrical potential energy measured in?

Back 38

μJ (c x v)

Front 39

what is another name for the electric potential?

Back 39

voltage

Front 40

Kirchoffs Junction Law

Back 40

ΣI in = ΣI out

Front 41

Ohms Law

Back 41

V=IR

Front 42

resistant equivalent equation (parallel)

Back 42

Req= (1/R + 1/R+.........)^-1

Front 43

resistant equivalent equation (series)

Back 43

Req=( R+R+R+R+.....)

Front 44

electron volt

Back 44

1eV=1.6 x 10^-19 J

Front 45

What is the kinetic energy gained by an electron that is accelerated through 1.0 V?

Back 45

electron volt (eV)

Front 46

Kirchoff's loop law

Back 46

ΔV loop = ΣΔV= 0

Front 47

What is the emission of electrons from a substance due to light striking the surface?

Back 47

photoelectric effect

Front 48

Einsteins 3 postulates

Back 48

1. light consists of discrete quanta (photon) with energy

2. light qunata are emitted and absorbed on an all-or-nothing basis

3. al ight quantum, when absorbed by a metal delivers its entire energy to one elctron

Front 49

Plains constant

Back 49

4.14 x 10^-15 eVs

Front 50

speed of light

Back 50

3 x 10^8 m/s

Front 51

equation for energy

Back 51

E=hf

Front 52

equation for frequency

Back 52

f= c/λ

Front 53

what is the unit for E?

Back 53

eV

Front 54

What is the unit for frequency?

Back 54

Hz or S^-1

Front 55

equation for threshold frequency?

Back 55

Fo= Eo/h

Front 56

What is another name for threshold energy?

Back 56

work function

Front 57

Equation for kinectic energy of an electron remvoed via photoelectric effect

Back 57

Kmax=Eincident photon - Eo

Front 58

Does intensity matter when it comes to comparing incident photon and work function?

Back 58

No

Front 59

What is the symbol for

1.proton,

2.neutron,

3. electron,

4.mass number,

5. ionization

6. elemet

Back 59

1. Z

2. N

3. e-

4. A

5. i

6. X

Front 60

how is ionization found?

Back 60

protons-electrons

Front 61

how do you find mass number?

Back 61

A= Z+N

(protons + neutrons)

Front 62

what is a beta ray?

Back 62

electron

Front 63

what represents alpha rays?

Back 63

4/2He2+

Front 64

What resides in the nucleus?

Back 64

protons (Z) and Neutrons (N)

Front 65

What orbits in quantinized shells?

Back 65

electrons (e-)

Front 66

implications for Bohr's model

Back 66

1. atoms emit and absorb a discrete spectrum

2. emission spectra can be produced by collisions

3. each element in the period table has a unique spectrum

Front 67

Charge and mass of electrons

Back 67

Charge: -1.6 x 10^-19 C

Mass:9.11 x 10^-31 kg

Front 68

charge and mass of a proton (Z)

Back 68

charge: +1.6 x 10^-19 C

mass: 1.66 x 10^-27 kg

Front 69

mass and charge of a neutron (N)

Back 69

charge: 0 C

mass: 1.66 x 10^-27

Front 70

an element has the SAME number of protons (z) but a DIFFERENT number of neutrons (N)

Back 70

isotope

Front 71

two nuclides have the SAME number of neutrons (N) but a DIFFERENT number of protons (Z)

Back 71

isotone

Front 72

any member of a group of atomic or nuclear species that have the SAME mass number (A) (Z+N)

Back 72

isobar

Front 73

2 or more nuclides that consist that consist of the SAME number of protons (z) and SAME number of nuetrons (N), but differ in energy and manner of radioactice decay

Back 73

isomer

Front 74

in terms of N and Z what is the line of stability?

Back 74

N > Z

Front 75

what is the associated energy for gamma decay?

Back 75

1 MeV

Front 76

what are two ways that ionizing radiation interacts with the body?

Back 76

driver chemical reactions that wouldnt otherwise occur

damages DNA molecules by ionizing them and breaking bonds

Front 77

becquerel and curie are si units for what?

Back 77

activitty

Front 78

what is curie in terms of bq?

Back 78

1 ci = 3.7 x 10 ^10 Bq

Front 79

equation for alpha decay

Back 79

A/Z X --> A-4/Z-2 Y + a +energy

Front 80

equation for beta minus decay

Back 80

A/Z X --> A/-+1 Y + e- + energy

Front 81

How do you find atoms remaining after radioactive decay?

Back 81

N=NO(1/2)^t/t1/2

Front 82

in radioactive decay what equation is used to find the time?

Back 82

N=Noe^ln(2)t/t1/2

Front 83

equation for decay of activity

Back 83

R=0.693(N)/t1/2

Front 84

RBE for the following:

1. xrays

2. gamma rays

3. beta particles

4. protons

5. neutrons

6. alpha particles

Back 84

1. 1

2. 1

3. 1

4. 1

5. 5-20

6. 20

Front 85

How is dose equivalent found?

Back 85

Dose (in Gy) x RBE

Front 86

what is dose equivilant measured in?

Back 86

1 rem = 0.01 sv

Front 87

what is the average radiation exposure?

Back 87

1 rem per day

Front 88

What isotope is best used for prostate brachytherapy?

Back 88

I-125

Front 89

Which isotop is used in hyperthyroidism?

Back 89

I-131

Front 90

PET scan imaging process relies on what combo?

Back 90

electron and positron

Front 91

what is the most common isotope used for PET scans?

Back 91

F-18

Front 92

What is the equation for radiation does?

Back 92

D=ΔE/Δm

Front 93

what is rad in terms of Gray?

Back 93

1 rad = 0.01 Gy