photon correct answers The smallest quantity of any type of electromagnetic radiation; it may be pictured as a small bundle of energy, sometimes called a quantum.
radiolucency correct answers Characteristic of materials that allow x-rays to penetrate with a minimum of attenuation. Radiolucent st...
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photon correct answers The smallest quantity of any type of electromagnetic radiation; it may be pictured as a small bundle of energy, sometimes called a quantum.
radiolucency correct answers Characteristic of materials that allow x-rays to penetrate with a minimum of attenuation. Radiolucent structures are nearly invisible on radiographs.
the inverse square law correct answers A mathematical relationship describing the reduction in radiation intensity with distance from a point source. The intensity is inversely proportional to the square of the distance of the object to the source.
frequency correct answers The number of wavelengths passing a point per second
the law of conservation of energy correct answers Energy can be transformed into another form or into matter, but it cannot be created or destroyed.
gamma ray correct answers A form of ionizing electromagnetic radiation emitted from the nucleus of a radioactive atom
electromagnetic spectrum correct answers The wide range of electromagnetic radiation described
by its frequency, wavelength or energy
sinusoidal variation correct answers The mathematical or graphical description of a simple harmonic motion
quantum correct answers A single unit of electromagnetic radiation
visible light correct answers A narrow region in the middle of the electromagnetic spectrum extending from approximately 400 nm (blue) to 700 nm (red)
400 m/s correct answers A thunder clap associated with lightning has a frequency of 800 Hz. If its wavelength is 50 cm, what is its velocity?
1.25 mR/mAs correct answers The output intensity of a normal radiographic imaging system is 5mR/mAs at 100 cm. What is the output intensity of such a system at 200 cm?
Velocity = frequency × wavelength correct answers What is the wave equation?
inversely correct answers How are frequency and wavelength related?
radiofrequency, visible light, and x-radiation correct answers What are the three imaging windows of the electromagnetic spectrum?
Hertz correct answers What unit of measure is used for radiofrequency?
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