PHYSICS1 Flashcards
METHODS OF ELECTRIFICATION
- FRICTION
- CONTACT
- INDUCTION
OTHER NAME OF AMBER
ELECTRON
ELECTRON WAS DISCOVERED BY
JJ THOMPSON
ELECTRIC CURRENT IS ALSO REFERRED TO AS
ELECTRICITY
PROCESS OF FLOWING OF ELECTRONS
ELECTRIFICATION
STUDY OF ELECTRICITY IN MOTION
ELECTRODYNAMICS
MEASURES ELECTRIC CURRENT
AMMETER
MEASURES VOLTAGE
VOLTMETER
AMPLIFIES AND SWITCH SIGNALS TO DEVICES
TRANSISTORS
VARIABLE RESISTOR
RHEOSTAT
IT MOMENTARILY STORES ELECTRIC CHARGE
CAPACITOR
IT STORES RESISTANCE
RESISTOR
SERVES AS SUPPORT FOR THE X-RAY TUBE AND PROTECTS IT FROM ROUGH HANDLING
TUBE HOUSING
WHERE THE X-RAY BEAM EXITS
TUBE PORT
WHO DISCOVERED : X-RAY
WILLIAM ROENTGEN
WHO DISCOVERED : FLUOROSCOPY
THOMAS EDISON
WHO DISCOVERED : OHM’S LAW
GEORGE SIMON OHM
WHO DISCOVERED : DYNAMO
MICHAEL FARADAY
GROUP OF NUCLIDES W/ SAME ATOMIC MASS NUMBER, BUT DIFFERENT ATOMIC NUMBER AND NEUTRON NUMBER
ISOBAR
SAME NUMBER OF PROTONS/ ATOMIC NUMBER
ISOTOPES
SAME NUMBER OF NEUTRON
ISOTONES
SAME ALL DIFFERENT ENERGIES
ISOMER
DPS FOR 1 Ci
3.7*10^10 DPS
DPS FOR 1 Bq
2.7*10^-11 Ci
HOOK AND EYE MODEL
JOHN DALTON
MINIATURE SOLAR SYSTEM ATOMIC MODEL
NIELS BOHR
PLUM PUDDING MODEL
JJ THOMPSON
NUCLEAR MODEL
ERNEST RUTHERFORD
4TH HALF-LIFE
6.25 %
FRACTION OF ACTIVITY OF 3RD HALF-LIFE
1/8
HALF-LIFE REPRESENTS THE TIME NEEDED BY RAM TO REDUCE ITS QUANTITY TO 1/2 INSIDE THE LIVING BODY
BIOLOGICAL HALF-LIFE
HALF-LIFE REPRESENTS THE TIME NEEDED BY RAM TO REDUCE ITS QUANTITY TO 1/2 ITS ORIGINAL VALUE
HALF-LIFE
FRACTION OF ORIGINAL NUMBER ATOM THAT DISINTEGRATES PER UNIT TIME
DECAY CONSTANT
TIME RATE OF DECAY
ACTIVITY
RADIOACTIVE HALF-LIFE OF I-131 IS EQUIVALENT TO
8 DAYS
HALF-LIFE OF TCM-99
6 HRS
HALF-LIFE OF Au-192
2.4 days
HALF-LIFE OF Co
5.26 YRS
KIND OF FORCE THAT HOLDS THE NUCLEONS TOGETHER IN A NUCLEUS
STRONG NUCLEAR FORCE
MODE OF DECAY THAT IS EQUIVALENT TO HELIUM NUCLEUS
ALPHA DECAY
HOW MANY ERG/GRAM IN 1 RAD
100 ERGS/GRAM
UNIT OF DOSE EQUIVALENT (NEW)
SIEVERT
UNIT OF ABSORBED DOSE (OLD)
RAD
UNIT OF ABSORBED DOSE (NEW)
GRAY
UNIT OF DOSE EQUIVALENT (OLD)
REM
UNIT OF ENERGY (OLD)
ERGS
RATE OF ENERGY TRANSFER
LET
AMOUNT OF RADIATION ENERGY TRANSFERRED PER UNIT MASS OF THE INTERACTING MEDIUM
ABSORBED DOSE
IONIZATION OF AIR
EXPOSURE
PRODUCT OF QUALITY FACTOR AND DOSE
DOSE EQUIVALENT
LEAKAGE RADIATION SHOULD NOT EXCEED ____ PER HOUR AT 1 METER
100 mR
DIFFERENCE B/N GAMMA RAYS AND X-RAYS
ORIGIN
ENERGY ACQUIRED BY AN ELECTRON ACCELERATED THRU A POTENTIAL DIFFERENCE OF 1 VOLT
ELECTRON VOLT
PARTICULATE TYPE OF RADIATION
- ALPHA
- POSITRON
- NEGATRON
STRENGTH OF ATTACHMENT
ELECTRON BINDING ENERGY
ENERGY POSSESED
ELECTRON BINDING ENERGY
ENERGY REQUIRED TO REMOVE ELECTRONS FROM ITS SHELL
ELECTRON BINDING ENERGY
NUCLEAR ELECTROMAGNETIC RADIATION
GAMMA RAY
X-RAY
PRESENT MODEL OF AN ATOM
NIELS BOHR
RATE OF RISING AND FALL OF A CREST OR VALLEY
FREQUENCY
ELECTROMAGNETIC RADIATION THAT TRAVELS A LITTLE FASTER THAN THE SPEED OF LIGHT
CHERENKOV
DISTANCE B/N ONE CREST TO ANOTHER OR FROM ONE VALLEY TO ANOTHER
WAVELENGTH
TIME IT TAKE TO COMPLETE ONE CYCLE
PERIOD
REFERRED TO AS ONE-HALF THE RANGE FROM CREST TO VALLEY
AMPLITUDE
RISE AND FALL
OSCILLATION
SPEED IS ____
VELOCITY
IONIZATION OF X-RAY AND GAMMA-RAY IN AIR
EXPOSURE
IONIZATION OF X-RAY AND GAMMA-RAY IN AIR
EXPOSURE
ATTENUATION IS THE PRODUCT OF SCATTERING AND __
ABSORPTION
THE TRANSITION OF THE OUTER ORBITAL ELECTRON TO AN INNER ORBITAL ELECTRON PRODUCES
CHARACTERISTIC X-RAY
LET IS MEASURED IN ___
keV/um
IT IS REFERRED TO AS THE NUMBER OF ION PAIRS PER UNIT PATH LENGTH
SPECIFIC IONIZATION
THE ENERGY POSSESSED BY THE ENERGY IN MOTION, W/C IS ALSO POSSESSED BY PARTICULATE RADIATION
KINETIC ENERGY
MINIMUM ENERGY REQUIRED TO PRODUCE AN ION PAIR IN GAS
34 eV
MATERIAL CHOICE OF CONSTRUCTION FOR LONG-LASTING FILAMENT
W (TUNGSTEN)
PRIMARY PURPOSE OF THE TARGET DISK IN THE X-RAY TUBE
PROVIDE SITE OF ENERGY CONVERSION
BETA PARTICLE HAS A ___
-1 CHARGE
____ % OF THORIUM IS ADDED TO THE TUNGSTEN
1-2
PRIMARY PURPOSE OF ROTATING ANODE
INCREASE THE HEAT LOADING CAPACITY OF THE TUBE
PRIMARY PURPOSE OF FOCUSING BEAM
MAINTAIN A FINELY FOCUS STREAM OF ELECTRONS
X-RAY TARGET CONVERTS ELECTRICAL ENERGY TO ___ ENERGY
ELECTROMAGNETIC
AT LEAST HOW MUCH ENERGY IS REQUIRED TO IONIZE TUNGSTEN ATOM
69.5 keV
THIS ALLOWS ELECTRON FLOW IN ONE DIRECTION
DIODE
TYPE OF TIMER USED FOR EXPOSURE SHORTER THAN 1/20 S
SYNCHRONOUS TIMER
THESE ARE EXTREMELY POWERFUL ELECTROMAGNET
ALNICO
MOST ADVANCED TYPE OF TRANSFORMER
SHELL TYPE TRANSFORMER
TUBE WINDOW PROVIDES INHERENT FILTRATION THAT IS EQUIVALENT TO HOW MANY mm
0.5
IT FILLS UP THE SPACE B/N THE METAL HOUSING AND THE TUBE INSERT
MINERAL OIL
SERVES AS AN ELECTRICAL INSULATOR
MINERAL OIL
THE EMISSION OF ELECTRONS HAPPENED IN THE FILAMENT, WHAT DO U CALL THAT PROCESS
THERMIONIC EMISSION
DEFINES AS THE CORE WHERE THE SUPPLY IS CONNECTED
PRIMARY COIL
FOCAL SPOT SIZE USED FOR BONY PARTS OF THE BODY
0.5 mm
FOCAL SPOT SIZE USED FOR MAGNIFICATION OR JOINTS
0.3 mm
FOCAL SPOT SIZE USED FOR GENERAL X-RAY
1.0 mm
IT INDICATES MAXIMUM kVp AND mA THAT CAN BE USED FOR A GIVEN OF TIME FOR SINGLE EXPOSURE
INSTANTANEOUS LOADING CHART
IT PROVIDES NECESSARY ENERGY HIGH VOLTAGE NEEDED BY THE X-RAY TUBE IN ACCELERATING ELECTRON EMITTED BY THE FILAMENT
HIGH VOLTAGE TRANSFORMER
E = mc^2. What is c?
SPEED OF LIGHT
X =
CHEMICAL ELEMENT
A =
ATOMIC MASS NUMBER
Z = ?
ATOMIC CHARGE NUMBER
NEGATIVE ELECTRIC CHARGE IN JJ THOMSON ATOMIC MODEL
PLUM
3 FUNDAMENTAL PARTICLES FOUND IN AN ATOM
- PROTON
- NEUTRON
- ELECTRON
