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FAUBER CH: 1,2 TEST REVIEW (lxmo). 2024/2025.
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FAUBER CH: 1,2 TEST REVIEW (lxmo).2024/2025.
When were X-rays discovered?
November 8, 1895
What type of tube was Roentgen working with in his lab, when x-rays were discovered?
Crookes tube
Term defined as instantaneous production of light, only during an interaction between a type of energy
and some element of compound?
Fluorescence
Barium platinocyanide was the?
Fluorescent material that glowed when the tube energized
The first x-ray produced by Roentgen of his wife, required the time of?
15 minutes
The letter X in x-ray is the symbol for what?
The mathematical symbol for the unknown
The first Nobel prize for physics was received in 1901 by who?
Dr. Wilhelm Conrad Roentgen
Erythrema, an early stage of biological damage due to x-ray exposure is?
Reddening and burning of the skin
X-rays have which of the following properties: magnetic, electrical and chemical?
Both electrical and magnetic properties
Distance between two successive crests of a signed wave is known as what?
wavelength
X-rays used in radiography have wavelengths that are measured in?
Angstroms
The frequency is measured in?
Hertz
Description of the relationship between the wavelength and frequency of the x-ray photon?
, Wavelength and frequency are inversely related
What is a small discrete bundle of energy?
Photon or Quantum
The speed of light is expressed?
Expressed as 3x10(8) meters per second or 186,000 miles per second
Which were reactions to the discovery of X-rays, roentgen's execution or x-ray glasses?
All of the above
When first developed the branch of medicine, that developed x-rays was called?
Roentgenology
The electrical energy applied to an x-ray will be transformed to?
Heat and X-rays
The greek symbol for lambda represents the x-rays's what?
Wavelength
The angstrom is equal to?
one ten billionth of a meter or 10(-10)
X-rays used in radiology wave lengths ranging from?
0.1 to 1.0 Angstroms
In the formula c= lambda x V, v equals what?
frequency
The energy of an individual x-ray photon is measured in?
electron volts (ev)
An x-ray beam that has photons with many different energies is?
polyenergetic or heterogeneous
X-rays can penetrate, absorb, or go in many directions?
all of the above
What is the portion of the x-ray tube that contains the filament?
Cathode
The filament is made up of?
Coiled Tungsten
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