LRA 211 QUESTIONS AND ANSWERS
Who discovered the electron? - (answer)JJ Thomson
The earliest atomic theory based on arrangement similar to the solar system is attributed to? -
(answer)Rutherford
What are the three fundamental particles of the atom? - (answer)proton, neutron and electron
what does the atomic nucleus contain? - (answer)protons and neutrons
What is the component of the nucleus that has a positive charge and mass? - (answer)proton
What is the component of the nucleus that has mass but no electrical charge is? - (answer)neutron
when an atom has more electrons than protons it will have: - (answer)a negative charge
When an atom becomes negatively or positively charged it is usually due to a change in the number of -
(answer)electrons
a negative ion is - (answer)an atom with more electrons than protons
a positive ion is - (answer)an atom with more protons than electrons
the electron shell closest to the nucleus is - (answer)k shell
which electromagnetic radiation has the lowest energy level? - (answer)radio waves
As the wave's frequency increases, the wavelength: - (answer)decreases
, LRA 211 QUESTIONS AND ANSWERS
Frequency is typically measured in: - (answer)hertz
the process of removing an electron from an atom is: - (answer)ionization
x-rays are produced - (answer)using fast-moving electrons
what helps to keep the x-ray tube cool on the inside of the protective housing? - (answer)cooling fans
and an oil bath
In terms of the x-ray tube, envelope is another name for the: - (answer)glass or metal enclosure
the positive end of the x-ray tube is called? - (answer)anode
the negative end of the x-ray tube is called? - (answer)cathode
the area of the envelope where x-rays should exit the tube is the: - (answer)target window
the anode serves as a - (answer)heat conductor
electrical conductor
target for the electron interaction to produce x-ray
what are the two types of anode designs? - (answer)stationary and rotating
why is tungsten used to coat the anode disc? - (answer)it has a high atomic number
With a rotating anode, the focal spot becomes a focal - (answer)track
Who discovered the electron? - (answer)JJ Thomson
The earliest atomic theory based on arrangement similar to the solar system is attributed to? -
(answer)Rutherford
What are the three fundamental particles of the atom? - (answer)proton, neutron and electron
what does the atomic nucleus contain? - (answer)protons and neutrons
What is the component of the nucleus that has a positive charge and mass? - (answer)proton
What is the component of the nucleus that has mass but no electrical charge is? - (answer)neutron
when an atom has more electrons than protons it will have: - (answer)a negative charge
When an atom becomes negatively or positively charged it is usually due to a change in the number of -
(answer)electrons
a negative ion is - (answer)an atom with more electrons than protons
a positive ion is - (answer)an atom with more protons than electrons
the electron shell closest to the nucleus is - (answer)k shell
which electromagnetic radiation has the lowest energy level? - (answer)radio waves
As the wave's frequency increases, the wavelength: - (answer)decreases
, LRA 211 QUESTIONS AND ANSWERS
Frequency is typically measured in: - (answer)hertz
the process of removing an electron from an atom is: - (answer)ionization
x-rays are produced - (answer)using fast-moving electrons
what helps to keep the x-ray tube cool on the inside of the protective housing? - (answer)cooling fans
and an oil bath
In terms of the x-ray tube, envelope is another name for the: - (answer)glass or metal enclosure
the positive end of the x-ray tube is called? - (answer)anode
the negative end of the x-ray tube is called? - (answer)cathode
the area of the envelope where x-rays should exit the tube is the: - (answer)target window
the anode serves as a - (answer)heat conductor
electrical conductor
target for the electron interaction to produce x-ray
what are the two types of anode designs? - (answer)stationary and rotating
why is tungsten used to coat the anode disc? - (answer)it has a high atomic number
With a rotating anode, the focal spot becomes a focal - (answer)track
