RT 1 Quiz 1 Flashcards
X-Rays were first discovered by
Wilhelm Roentgen in 1895
A disadvantage of radiography is
It requires access to both sides of the part
125 x 6^3 is
27,000
The square root of 625 is
25
Industrial Radiography usually is dealing with
Radiation from the electromagnetic spectrum
The heaviest particle of the following would be
Alpha
The fastest particle would be
Beta
Which of the following is true in respect to x-rays and gamma rays?
A. They are affect by magnetic fields.
B. They travel at the speed of light.
C. They can bend around corners.
D. They are the heaviest particle with respect to particulate radiation.
B. They travel at the speed of light.
Which of the following qualities will define a highly penetrating radiation? A. Higher amplitude wave B. Shorter wavelength radiation C. Longer wavelength radiation D. Lower amplitude wave
B. Shorter wavelength radiation
The energy of a radiation wave is rated in which of the following units? A. Electron volts B. Foot-lamberts C. MicroW/cm^2 D. Amperage
A. Electron volts
The Roentgen is
Is a measure of radiation in air
The weight of an atom is determined by
The proton and neutron
The element is determined by the number of
Protons
An isotope is determined by
The number of neutrons
Activation is a term used to denote
The method to create an isotope
The energy of a gamma source
Depends on the wave length of the gamma ray
The amount of activity or gamma source strength is determined by
The number of curies
The international unit (SI) Becquerels is equivalent to
Curies
A curie is equal to
37 billion disintegrations per second
Half life is
the amount of time it takes the source to decay to 1/2 its current value
