Radiation Physics Part I Chapter 2
Questions and Answers Latest Update
Graded A+
What is the basic unit of electrical charge?
A) Ampere
B) Coulomb
C) Volt
✔✔D) Electron
What is the unit of energy in the SI system?
A) Joule
✔✔B) Electron Volt
C) Watt
D) Ampere
What is the primary source of ionizing radiation?
A) Gamma rays
✔✔B) X-rays
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,C) Radio waves
D) Microwaves
Which type of radiation has the highest energy?
A) Ultraviolet rays
B) Visible light
C) X-rays
✔✔D) Gamma rays
What does the term "ionization" mean in radiation physics?
A) Conversion of matter into energy
✔✔B) Removal of an electron from an atom
C) Speeding up of electrons
D) Changing the nucleus of an atom
Which type of radiation can penetrate the human body the most?
A) Alpha radiation
✔✔B) Gamma radiation
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,C) Beta radiation
D) Neutron radiation
What is the relationship between frequency and wavelength in electromagnetic radiation?
✔✔A) They are inversely proportional
B) They are directly proportional
C) Frequency and wavelength are unrelated
D) Frequency is constant regardless of wavelength
What is the speed of light in a vacuum?
✔✔A) 3 × 10^8 m/s
B) 1 × 10^6 m/s
C) 5 × 10^5 m/s
D) 2 × 10^6 m/s
What is the primary characteristic of electromagnetic radiation?
A) It consists of charged particles
✔✔B) It consists of electric and magnetic waves
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, C) It only consists of visible light
D) It travels in a straight line
Which of the following describes the nature of X-rays?
✔✔A) High-frequency, ionizing electromagnetic radiation
B) Low-frequency, non-ionizing radiation
C) Non-penetrating waves
D) Particulate radiation
What does the acronym "X-ray" stand for?
A) Xenon-ray
✔✔B) Unknown-ray
C) Xenon-unknown
D) X-ray does not stand for anything
How is energy transferred in electromagnetic waves?
✔✔A) Through oscillating electric and magnetic fields
B) Through the movement of electrons
4
Questions and Answers Latest Update
Graded A+
What is the basic unit of electrical charge?
A) Ampere
B) Coulomb
C) Volt
✔✔D) Electron
What is the unit of energy in the SI system?
A) Joule
✔✔B) Electron Volt
C) Watt
D) Ampere
What is the primary source of ionizing radiation?
A) Gamma rays
✔✔B) X-rays
1
,C) Radio waves
D) Microwaves
Which type of radiation has the highest energy?
A) Ultraviolet rays
B) Visible light
C) X-rays
✔✔D) Gamma rays
What does the term "ionization" mean in radiation physics?
A) Conversion of matter into energy
✔✔B) Removal of an electron from an atom
C) Speeding up of electrons
D) Changing the nucleus of an atom
Which type of radiation can penetrate the human body the most?
A) Alpha radiation
✔✔B) Gamma radiation
2
,C) Beta radiation
D) Neutron radiation
What is the relationship between frequency and wavelength in electromagnetic radiation?
✔✔A) They are inversely proportional
B) They are directly proportional
C) Frequency and wavelength are unrelated
D) Frequency is constant regardless of wavelength
What is the speed of light in a vacuum?
✔✔A) 3 × 10^8 m/s
B) 1 × 10^6 m/s
C) 5 × 10^5 m/s
D) 2 × 10^6 m/s
What is the primary characteristic of electromagnetic radiation?
A) It consists of charged particles
✔✔B) It consists of electric and magnetic waves
3
, C) It only consists of visible light
D) It travels in a straight line
Which of the following describes the nature of X-rays?
✔✔A) High-frequency, ionizing electromagnetic radiation
B) Low-frequency, non-ionizing radiation
C) Non-penetrating waves
D) Particulate radiation
What does the acronym "X-ray" stand for?
A) Xenon-ray
✔✔B) Unknown-ray
C) Xenon-unknown
D) X-ray does not stand for anything
How is energy transferred in electromagnetic waves?
✔✔A) Through oscillating electric and magnetic fields
B) Through the movement of electrons
4
