Electromagnetic Energy Flashcards
Which of the following is not a form of electromagnetic radiation? Microwaves Ultrasound Infrared X-rays
Ultrasound
Ionizing radiation has enough energy to:
Remove electrons from atom.
Select the order of increasing energy: X-rays Microwaves Visible light Radio
Radio
Microwaves
Visible light
X-rays
Light travels at a speed of:
186,000 mi/s
Because the speed of light is constant, an increase in frequency results in ——- wavelength.
A decrease.
For a constant speed of light c, an increase in wavelength results in ——- frequency.
A decrease.
The number of wave cycles per second for electromagnetic radiation is the:
Frequency
The distance between the same portions of adjacent waves is the:
Wavelength
The variation between zero and the maximum height of the wave is the:
Amplitude
Hertz is a measure of
The number of cycles per second.
One kilohertz is:
1000 cycles per second.
One megahertz is:
1,000,000 cycles per second.
X-rays and gamma rays differ in:
Origin.
The inverse square law states that:
The intensity of the beam is inversely proportional to the distance source squared.
If the original exposure rate is 8 mR/h, moving from a distance of 4m to a distance of 2m results in a new exposure rate of —- mR/h.
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