LRA 211 Week 4 Review Quiz Questions And Answers
With Complete Solutions | Graded A+ | New 2025-2026
The earliest atomic theory based on an arrangement similar to the solar system is
attributed to: - ANSWERS Rutherford
The three fundamental particles of the atom are the: - ANSWERS Neutron,
electrons and protons
the atomic nucleus contains: - ANSWERS protons and neutrons
The component of the nucleus that has a positive change and mass is the: -
ANSWERS protons
The electron shell closest to the nucleus is lettered: - ANSWERS K shell
which of the following is Not part of the electromagnetic spectrum?
1.Radio Waves
2.Sound
3.Wavelength
4.Microwave - ANSWERS Sound
Which of the following electromagnetic radiations have the lowest energy level?
, 1.Radio Waves
2.Microwave
3.Sound
4.Radio Waves - ANSWERS Radio Waves
As the wave's frequency us increases, the wavelength: - ANSWERS Decreases
Frequency is typically measured in: - ANSWERS Hertz
The process of removing an electron from an atom is: - ANSWERS ionization
X-rays are produced: - ANSWERS Using the fast-moving elcetron
Which of the following helps to keep the x-ray tube coll on the inside of the
protective housing?
1. Water
2. Glass envelope
3.Cooling fans
4. Cooling fans & Oli bath - ANSWERS Cooling fans & Oil bath
In terms of the x-ray tube, envelope is another name for the: - ANSWERS Glass
or metal enclosure
The positive end of the x-ray is the: - ANSWERS Anode
With Complete Solutions | Graded A+ | New 2025-2026
The earliest atomic theory based on an arrangement similar to the solar system is
attributed to: - ANSWERS Rutherford
The three fundamental particles of the atom are the: - ANSWERS Neutron,
electrons and protons
the atomic nucleus contains: - ANSWERS protons and neutrons
The component of the nucleus that has a positive change and mass is the: -
ANSWERS protons
The electron shell closest to the nucleus is lettered: - ANSWERS K shell
which of the following is Not part of the electromagnetic spectrum?
1.Radio Waves
2.Sound
3.Wavelength
4.Microwave - ANSWERS Sound
Which of the following electromagnetic radiations have the lowest energy level?
, 1.Radio Waves
2.Microwave
3.Sound
4.Radio Waves - ANSWERS Radio Waves
As the wave's frequency us increases, the wavelength: - ANSWERS Decreases
Frequency is typically measured in: - ANSWERS Hertz
The process of removing an electron from an atom is: - ANSWERS ionization
X-rays are produced: - ANSWERS Using the fast-moving elcetron
Which of the following helps to keep the x-ray tube coll on the inside of the
protective housing?
1. Water
2. Glass envelope
3.Cooling fans
4. Cooling fans & Oli bath - ANSWERS Cooling fans & Oil bath
In terms of the x-ray tube, envelope is another name for the: - ANSWERS Glass
or metal enclosure
The positive end of the x-ray is the: - ANSWERS Anode
