RAD 140- 112 EXAM 1 Review Questions Well Answered|100% Correct Answers
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Course
RAD 140
Institution
RAD 140
Who made the discovery of x-rays? - ️️German scientist Dr. Wilhelm Conrad Roentgen
What did Roentgen discover? - ️️The crooke's tube
Where did Roentgen make his discovery? - ️️Germany, Europe
When did Roentgen make his discovery? - ️️November 8, 1895
What did Roentgen receive as...
RAD 140- 88 EXAM 1 Review Questions
Well Answered
Who made the discovery of x-rays? - ✔ ✔ German scientist Dr. Wilhelm Conrad Roentgen
What did Roentgen discover? - ✔ ✔ The crooke's tube
Where did Roentgen make his discovery? - ✔ ✔ Germany, Europe
When did Roentgen make his discovery? - ✔ ✔ November 8, 1895
What did Roentgen receive as a prize for his discovery? - ✔ ✔ He was the recipient of first Nobel
Prize for physics
What was the first radiograph? - ✔ ✔ Roentgen's wife, Anna Bertha's, hand
How long was the first exposure? - ✔ ✔ 15 min
How are x-rays characterized? - ✔ ✔ As a type of electromagnetic radiation
What does electromagnetic mean? - ✔ ✔ Energy that has both electrical and magnetic properties
What is the dual nature of x-ray energy? - ✔ ✔ It behaves like both waves and particles
What is wavelength? - ✔ ✔ Represents distance between 2 crests
What is frequency? - ✔ ✔ Number of waves passing a given point per given unit of time
How would you describe wavelength and frequency in terms of their relationship? - ✔ ✔ They are
both inversely related
When there is a high energy, what happens to wavelength and frequency? - ✔ ✔ Wavelength-
decreases
Frequency-increases
What is matter? - ✔ ✔ Anything that occupies space
What is the difference between mass and weight? - ✔ ✔ Mass-quantity of matter contained in an
object
Weight- force that an object exerts under the influence of gravity
What is energy? - ✔ ✔ Ability to do work
, What is radiation? - ✔ ✔ When energy is emitted and transferred through matter
What is the Law of Conservation? - ✔ ✔ Sum total of all matter and energy in the universe is
constant: matter and energy cannot be created or destroyed but can be converted from one form to
another
What type of biologic damage can be caused by radiation exposure? - ✔ ✔ Hair loss, burns, cell
damage/mutations, and death, etc.
What does fluorescence have to do with the discovery of x-rays? - ✔ ✔ It was the neon (glow) of
light that was being emitted through matter
What type of energy is used in the production of x-rays? - ✔ ✔ Ionizing radiation
What technical factor determines the energy of an x-ray? - ✔ ✔ kVp
Rank the following in order according to wavelength (1 being the longest wavelength and 8 the shortest
wavelength):
Visible light
X-rays
Ultraviolet light
Gamma rays
Radio waves
Microwaves
Cosmic rays
Infrared light - ✔ ✔ 1. Radio waves
2. Microwaves
3. Infrared light
4. Visible light
5. Ultraviolet light
6. X-rays
7. Gamma rays
8. Cosmic rays
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