ELECTROMAGNETICS UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS COMPLETE STUDY GUIDE

ELECTROMAGNETICS UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
COMPLETE STUDY GUIDE

●● Electrons are located on the
Answer: In shells around the nucleus


●● Electron binding energy
Answer: Force of attraction between the negatively charged electrons
and positively charged protons that keep electrons in their orbit.


●● Atomic mass number (A)
Answer: The total number of protons and neutrons in an atom's nucleus.


●● Atomic number (Z)
Answer: number of protons


●● Ionization happens when
Answer: When an atom loses or gains an electron becoming electrically
charged


●● Positive ion

, Answer: created when an atom loses an electron


●● Negative ion
Answer: when an atom gains an electron


●● Ion pair
Answer: The ejected electron & the left over positive ion during
ionization


●● Electromagnetic radiation in order from long wave lengths to short
wavelength
Answer: Radio, micro, infrared, visible light, uv light, x rays, gamma


●● Characteristics of electromagnetic radiation
Answer: Frequency, wavelength,amplitude, velocity


●● Wave particle duality EM
Answer: Behaves in two ways : as a wave, and as a particle


●● inverse square law EM
Answer: The intensity of radiation is inversely proportional to the square
of the distance