LRA 211 – Exam Questions and Answers – Graded A+ (Latest Update)

LRA 211 EXAM QUESTIONS AND ANSWERS
GRADED A+ LATEST UPDATE.




The three fundamental particles of the atom are the ANS >>
proton, neutron, electron


The atomic nucleus contains ANS >> protons and neutrons


The earliest atomic theory based on an arrangement similar to
the solar system is attributed to ANS >> Ernest Rutherford


The component of the nucleus that has a positive charge and
mass is the ANS >> protons

, The component of the nucleus that has a negative charge and
mass is the ANS >> electron


The electron shell closest to the nucleus is lettered ANS >> K


As the wave's frequency increases, the wavelength ANS >>
decreases


Frequency is typically measured in ANS >> Hertz


Wavelength is typically measured in ANS >> meters


The process of removing an electron from an atom, X-rays are
produced ANS >> ionization


Which of the following helps to keep the x-ray tube cool on the
inside of the protective housing? ANS >> Cooling fans and an oil
bath


In terms of the x-ray tube, envelope is another name for the ANS
>> glass or metal enclosure