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156 Week 2

Part 2

QuestionAnswer
1 Hz = 1 cycle per second
Wavelength (λ) Property Distance between Waves and Peaks
Frequency (f) Property Number of Waves per second
Amplitude (A) Property Height of the Waves
Velocity (c) Property Speed of Light
Wavelength (λ) Impact on X-Ray Production Shorter Wavelength= Higher Energy
Frequency (f) Impact on X-Ray Production Higher Frequency= Higher Energy
Amplitude (A) Impact on X-Ray Production Does not affect Energy
Velocity (c) Impact on X-Ray Production Constant at 3.0 x 10 ^8
Velocity Formula Frequency × Wavelength (f)(λ)
Photon energy = Planck’s Constant x Frequency
3 Main Forms of Natural Radiation Cosmic (from the sun and outer space) Terrestrial (radioactive materials in the Earth) Internal (natural radionuclides such as potassium)
3 Main Forms of Man Made Radiation Medical Imaging Consumer (TV, cell phone, etc.) Industrial (nuclear power generation, research facilities)
As Wavelength Increases, Frequency Decreases
X-ray photon energy is________ to x-ray photon frequency Directly Proportional
Frequency Formula c/λ
Wavelength Formula c/f
c= Speed of Light = 3 x 10^8 m/s
PLANCK’S QUANTUM EQUATION formula E = hf
f= Photon Frequency (Hz)
h= Planck’s constant = 6.63 × 10^-34 m^2-kg /s
E= photon energy (eV)
f and λ are Inversely Proportional
If you divide the speed of light by the frequency, you get the _______ and vise versa Wavelength
If you divide x-ray photon energy by the frequency of the photon, you always get______ Planck's Constant
Intensity and SID have an Inverse Square Relationship
Electromagnetic Radiation can travel in a Vacuum (requires no medium)
Created by: user-2016295
 

 



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