RTE 1401 Essentials of Radiographic Physics &
Imaging Final Practice Test Latest Update 2025-
2026 Exam Questions with 100% Verified Correct
Answers Guaranteed A+
A 12-volt battery use 12 Joules of energy to move
a. 1 Coulomb of charge
b. 2 Coulombs of charge
c. 12 Coulombs of charge
d. 24 Coulombs of charge - CORRECT ANSWER: 1 Coulomb of charge
A radiograph with low radiographic contrast
a. has very few densities
b. has very similar densities
c. has short-scale contrast
d. none of the above - CORRECT ANSWER: has very similar densities
Atoms with different atomic number but the same atomic mass numbers are
a. isotopes
b. isotones
c. isobars
d. isomers - CORRECT ANSWER: isobars
, Determining which filament will be used during an exposure is done at the operating
console by the selection
a. small or large focal spot
b. small or large fimament
c. high or low exposure time
d. high or low kVp - CORRECT ANSWER: small or large focal spot
Half-life is defined as - CORRECT ANSWER: the time it takes for half the remaining
atoms in an amount of radioactive element to decay
If a film image as sufficient but not optimal density
a. it should be not be repeated
b. it should be repeated using 30% more/less mAs
c. it should be repeated using twice or half the mAs
d. none of the above - CORRECT ANSWER: it should not be repeated
In LCD monitors, the number of TFT's is equal to the
a. number of crystals in the liquid crystal layer
b. number of pixels displayed
c. Lp/mm of resolution
d. display line system - CORRECT ANSWER: number of pixels displayed
Microwaves heat up food because their energy causes the atoms and molecules to
a. dissolve
Imaging Final Practice Test Latest Update 2025-
2026 Exam Questions with 100% Verified Correct
Answers Guaranteed A+
A 12-volt battery use 12 Joules of energy to move
a. 1 Coulomb of charge
b. 2 Coulombs of charge
c. 12 Coulombs of charge
d. 24 Coulombs of charge - CORRECT ANSWER: 1 Coulomb of charge
A radiograph with low radiographic contrast
a. has very few densities
b. has very similar densities
c. has short-scale contrast
d. none of the above - CORRECT ANSWER: has very similar densities
Atoms with different atomic number but the same atomic mass numbers are
a. isotopes
b. isotones
c. isobars
d. isomers - CORRECT ANSWER: isobars
, Determining which filament will be used during an exposure is done at the operating
console by the selection
a. small or large focal spot
b. small or large fimament
c. high or low exposure time
d. high or low kVp - CORRECT ANSWER: small or large focal spot
Half-life is defined as - CORRECT ANSWER: the time it takes for half the remaining
atoms in an amount of radioactive element to decay
If a film image as sufficient but not optimal density
a. it should be not be repeated
b. it should be repeated using 30% more/less mAs
c. it should be repeated using twice or half the mAs
d. none of the above - CORRECT ANSWER: it should not be repeated
In LCD monitors, the number of TFT's is equal to the
a. number of crystals in the liquid crystal layer
b. number of pixels displayed
c. Lp/mm of resolution
d. display line system - CORRECT ANSWER: number of pixels displayed
Microwaves heat up food because their energy causes the atoms and molecules to
a. dissolve
