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X-Ray Physics Final Exam Questions and Answers 100% Solved

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  • Course
  • X-Ray Physics
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  • X-Ray Physics

b. 1895 - ANSWER-In what year were x-rays discovered? a. 1892 b. 1895 c. 1898 d. 1901 c. 1898 - ANSWER-In what year were some of the biologically damaging effects of x-rays discovered? a. 1892 b. 1895 c. 1898 d. 1901 d. Vacuum Tubes - ANSWER-X-rays were discovered in experiments deali...

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  • September 19, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • X-Ray Physics
  • X-Ray Physics
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IMORA
X-Ray Physics Final Exam Questions and
Answers 100% Solved


b. 1895 - ANSWER-In what year were x-rays discovered?
a. 1892
b. 1895
c. 1898
d. 1901

c. 1898 - ANSWER-In what year were some of the biologically damaging effects of x-
rays discovered?
a. 1892
b. 1895
c. 1898
d. 1901

d. Vacuum Tubes - ANSWER-X-rays were discovered in experiments dealing with
electricity and ______.
a. Ionization
b. Magnetism
c. Atomic structure
d. Vacuum Tubes

a. Fluoresce - ANSWER-X-rays were discovered when they caused a barium
platinocyanide-coated plate to __________.
a. Fluoresce
b. Phosphoresce
c. Vibrate
d. Burn and redden

d. Electromagnetic - ANSWER-X-radiation is part of which spectrum?
a. Radiation
b. Energy
c. Atomic
d. Electromagnetic

c. Waves and particles - ANSWER-X-rays have a dual nature, which means that they
behave like both _____.
a. Atoms and molecules
b. Photons and quanta
c. Waves and particles
d. Charged and uncharged particles

,b. Inversely - ANSWER-The wavelength and frequency of x-rays are __________
related.
a. Directly
b. Inversely
c. Partially
d. Not

d. No - ANSWER-X-rays have __________ electrical charge.
a. A positive
b. A negative
c. An alternately positive and negative
d. No

a. No mass - ANSWER-X-rays have __________.
a. No mass
b. The same mass as electrons
c. The same mass as protons
d. The same mass as neutrons

c. Polyenergetic - ANSWER-The x-ray beam used in diagnostic radiography can be
described as being _________.
a. Homogeneous
b. Monoenergetic
c. Polyenergetic
d. Scattered

b. Filament - ANSWER-Which x-ray tube component serves as a source of electrons for
x-ray production?
a. Focusing cup
b. Filament
c. Stator
d. Target

d. Target - ANSWER-Electrons interact with the _______ to produce x-rays and heat.
a. Focusing cup
b. Filament
c. Stator
d. Target

b. Space charge - ANSWER-The cloud of electrons that forms before x-ray production
is referred to as ________.
a. Thermionic emission
b. Space charge
c. Space charge effect
d. Tube current

, a. Thermionic emission - ANSWER-The burning or boiling off of electrons at the
cathode is referred to as _____.
a. Thermionic emission
b. Space charge
c. Space charge effect
d. Tube current

c. kVp - ANSWER-Which primary exposure factor influences both the quantity and the
quality of x-ray photons?
a. mA
b. mAs
c. kVp
d. Exposure time

a. mA - ANSWER-The unit used to express tube current is _______.
a. mA
b. mAs
c. kVp
d. s

d. 99% - ANSWER-What percentage of the kinetic energy is converted to heat when
moving electrons strike the anode target?
a. 1%
b. 25%
c. 59%
d. 99%

a. Cathode side of the tube - ANSWER-The intensity of the x-ray beam is greater on the
______.
a. Cathode side of the tube
b. Anode side of the tube
c. Short axis of the beam
d. Long axis of the beam

c. Effective focal spot size decreases - ANSWER-According to the line focus principle,
as the target angle decreases, the ____.
a. Actual focal spot size decreases
b. Actual focal spot size increases
c. Effective focal spot size decreases
d. Effective focal spot size increases

d. Warming up the tube after 2 hours of nonuse - ANSWER-_________ extends x-ray
tube life.
a. Selecting higher tube currents
b. Using small focal spots when possible
c. Producing exposures with a wide range of kVp values

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