What do photons do - Study guides, Class notes & Summaries

What term refers to the vaporization, cutting, or removal of a portion of the epidermis and/or dermis? Correct Answer-Ablation What do photons do? Correct Answer-Travel at the speed of light in the form of a wave What term refers to light energy that is "in phase"? Correct Answer-Coherent light What aspect of a laser determines the type of chromophore with which the light will react? Correct Answer-Color What is NOT one of the common chromophores in the body? Correct Answer-Lymph ...

Final exam Straighter line microbiology 100% SOLUTION 2023//2024 In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - ANSWER Nitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OHconcentration of the solution? - ANSWER 10-8 M Fungi are able to reproduce asexually by creating conidiospores and spo...

Light correct answers Has both wavelike and particle-like properties Electromagnetic radiation correct answers Made up of electric and magnetic fields Shorter; higher correct answers The _____ the wavelength, the _____ the frequency. λv = c c → speed of light ν → frequency λ → wavelength correct answers Electromagnetic radiation equation Stream of particles correct answers Photons More correct answers Do short-wavelength photons carry more or less energy? E → ener...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

Advanced Esthetic Services Review -- Master Esthetics (Washington State) Real Exam Set Questions And Revised Correct Answers What term refers to the vaporization, cutting, or removal of a portion of the epidermis and/or dermis? - ANSWER : Ablation What do photons do? - ANSWER : Travel at the speed of light in the form of a wave What term refers to light energy that is "in phase"? - ANSWER : Coherent light What aspect of a laser determines the type of chromophore with which th...

What are photons? correct answers particles of light Light always behaves like a stream of particles. (T/F) correct answers True The energy of a photon is directly proportional to its wavelength correct answers False How fast does electromagnetic radiation travel? correct answers speed of light Photons with high energy will have (blank) frequency and (blank) wavelength correct answers High, short X-Rays have (blank) energy, (blank) wavelength, and (blank) frequency than radio wav...

what is contrast media used for? Ans- to distinguish adjacent tissue on an image how can contrast medias be defined? Ans- negative or positive agents what does the classification of contrast medias depend on? Ans- the media's ability to absorb an x-ray beam negative contrast medias are ________________ so x-ray photons are _______________________. Ans- radiolucent easily transmittable how do negative contrast medias appear on a scan? Ans- they appear with an increase in density (dar...

Master Esthetics (Washington State) Advanced Esthetic Services Review Questions with Verified Solutions What term refers to the vaporization, cutting, or removal of a portion of the epidermis and/or dermis? Ablation What do photons do? Travel at the speed of light in the form of a wave What term refers to light energy that is "in phase"? Coherent light What aspect of a laser determines the type of chromophore with which the light will react? Color What is NOT one of the comm...

Instrumentation NMTCB Practice with Certified Solutions What is a gamma camera crystal made of? Sodium iodide activated with thallium What is the purpose of the crystal in a gamma camera? To absorb gamma (γ) rays and convert them into visible-light photons What is the mechanism by which gamma (γ) rays interact with a gamma camera crystal? Photoelectric effect or Compton scattering. What is the relationship between the energy of an absorbed gamma (γ) ray and the amount of light produced by...

how do you reduce beam hardening 1. Increase dose 2. Reduce collimation--Reduce slice thickness 3. Increase window width At what level does the abdominal aortal bifurcate? L4 What is the typical scan delay after injection of contrast media for studies of the liver? 30-45 seconds What window settings provide the best tissue differentiation within the liver? window width= 140, level= 60 What is the window settings that provide the best bone window for the pelvis? ...