Planck - Study guides, Class notes & Summaries
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Dosimetry Board Review | Questions with 100% Correct Answers | Verified | Latest Update 2024
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What term best describes a major influence on image resolution for most CT scanners: - Voxel 
Photon Energy Formula - 
E=hv=hc/wl 
E=hf=hc/wavelength(lambda) h=Planck constant = 6.6261x10^-34 JS 
Speed of light = 3e8 
f=photon frequency 
lambda = photon wavelength 
Which instrument would be the most appropriate choice for monitoring radiation leakage from a Cobalt- 
60 source (with the source in the off position)? - radiotherapy verification film 
The number of atoms in one gram for any materia...
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Chemistry Chapter 5 Quantum Mechanics
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Chemistry Chapter 5 Quantum Mechanics 
Who developed the idea of electron energy levels? Niels Bohr 
What two conclusions did Bihr come to? 1: an electron can only move a certain distance from the 
nucleus 
2: an electron can only move at a certain speed 
Schrodinger, Heisinberg, and de Broglie developed a theory th at stated... The motion of an electron is 
not a definite path. You cannot determine it's position and it's momentum. 
Space Orbital The highly probable location of an ...
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Radiation Therapy Board Exam Review – MOSBY fully solved to pass
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Radiation Therapy Board Exam Review – MOSBY fully solved to pass 
Orthovoltage machines operated in the range of 
A. 10-40 KV 
B. 100 KV 
C. 100-200 KV 
D. 150-500 KV - correct answer D. 150-500 KV 
 
0.01 J/Kg is equivalent to: 
A. 1 Roengtgen 
B. 1 RAD 
C. 1 Gy 
D. 1 Bq - correct answer B. 1 RAD 
 
A pocket dosimeter is a 
A. low energy dosimeter 
B. thermoluminescent dosimeter 
C. cutie pie 
D. none of the above - correct answer A. low energy dosimeter 
 
Traditional unit of absorbed dose e...
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Probing decisive answers to dark energy questions from cosmic complementarity and lensing tomography
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2.2 Dark energy parameterization 
As mentioned earlier, constraining the dark energy using its equation of state is known to be parameterization dependent, e.g. 
(Wang & Tegmark (2004); Upadhye et al. (2004)), and also suffers from a smearing due to the double integration involved 
(Maor et al. (2002); Maor et al. (2001)). Alternatively, one can probe directly the variations of the dark energy density as a 
function of redshift ρde(z). On the other hand, it has been argued that the equation of ...
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Quantum Physics Terms Already Graded A+
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Quantum Physics Terms Already Graded A+ 
Photon ️A discrete unit or package of light energy 
Photoelectric Effect ️The emission of electrons from a metal when electromagnetic radiation of high 
enough frequency falls on the surface 
Threshold Frequency (f₀) ️The minimum frequency of light needed to eject electrons from a metal 
surface 
Work Function (Φ) ️The minimum energy needed to eject electrons from the surface of a metal 
Millikan's Stopping Potential Experiment ️An ...
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DAT General Chemistry Exam Questions Correctly Answered.
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DAT General Chemistry Exam Questions Correctly Answered. 
 
 
Atomic Number - CORRECT ANSWER number of protons found in that atom; low number; (Z) 
 
Mass Number - CORRECT ANSWER Protons + Neutrons; high number; (A) 
 
Atomic Mass - CORRECT ANSWER relative mass of that atom compared to the mass of a carbon-12 atom (which is set at 12.00); measured in amu; 
 
1 amu = - CORRECT ANSWER 1.66x10^-24 
 
Atomic Weight - CORRECT ANSWER weight (g) of one mole (mol) of a given element (g/mol); the weighte...
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Dosimetry Board Review | Questions with 100% Correct Answers | Verified | Latest Update 2024
- Exam (elaborations) • 4 pages • 2023
- Available in package deal
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- $7.99
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What term best describes a major influence on image resolution for most CT scanners: - Voxel 
Photon Energy Formula - 
E=hv=hc/wl 
E=hf=hc/wavelength(lambda) h=Planck constant = 6.6261x10^-34 JS 
Speed of light = 3e8 
f=photon frequency 
lambda = photon wavelength 
Which instrument would be the most appropriate choice for monitoring radiation leakage from a Cobalt- 
60 source (with the source in the off position)? - radiotherapy verification film 
The number of atoms in one gram for any materia...
-
CLEP Chemistry Exam Questions & Answers 2024.
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CLEP Chemistry Exam Questions & Answers 2024. 
John Dalton - correct answer Proposed that matter is composed of atoms; these atoms have different identities called elements, which combine to form compounds; measured masses of reactants and products. 
 
J.J. Thompson - correct answer Observed deflection of particles in a cathode ray tube; proposed that atoms are composed of positive and negative charges; developed the plum pudding model of the atom 
 
Robert Millikan - correct answer Calculated t...
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Chemistry Quantum Mechanics Guaranteed A+
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Chemistry Quantum Mechanics Guaranteed A+ 
What are quantum numbers ️A set of numbers that describes the probable location of an electron 
What is the principle quantum numbers ️Indicates the main energy level occupied by the electron 
What is used to determine how many electrons can go in each level ️2n2 
What is the angular momentum quantum number ️indicates the shape of the orbital 
What is the s orbital ️It is a spherical orbital 
What type of shape is the p-orbital ️It loo...
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DAT General Chemistry Exam Solution.
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Atomic Number - correct answer number of protons found in that atom; low number; (Z) 
 
Mass Number - correct answer Protons + Neutrons; high number; (A) 
 
Atomic Mass - correct answer relative mass of that atom compared to the mass of a carbon-12 atom (which is set at 12.00); measured in amu; 
 
1 amu = - correct answer 1.66x10^-24 
 
Atomic Weight - correct answer weight (g) of one mole (mol) of a given element (g/mol); the weighted average of all the masses (not the weights) of an element, w...
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