chapter 4 quiz
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examples of electromagnetic radiation
x-ray infared ultraviolet light visible light
form of energy that exhibits wave like behavior as it travels through space
electromagnetic radiation
distance between corresponding points of a typical wave
wave length
wave length is represented by what
lambda
the number of waves that pass a given point in specific time
frequency
frequency is represented by what
v
wave length is measured in what unit
length
unit used to measure frequency
hertz
speed of light in meters
3(10^8)m/s
speed of light in centimeters
3(10^10)cm/s
when wave length becomes bigger than
frequency becomes smaller
what does c stand for
speed of light
increasing frequency of visible spectrum
red, orange, yellow, green, blue, violet
increasing wavelength of visible spectrum
violet, blue, green, yellow, orange, red
wavelength of visible light
400-700nm
nano is
10^-9
emission of electrons from a metal when light shines on the metal
photoelectric effect
photoelectric effect happens because there is
a small number of electrons. when energy is applied, the electrons are released.
minimum energy that can be lost or gained by an atom
quantum
equation for energy
e=hv
what does e stand for
energy (joules)
h stands for
plancks constant
particle of electromagnetic radiation having zero mass and carrying quantum of energy
photon
lowest energy state of an atom
ground state