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Ch. 5 Part I
Terms in this set (39)
a form of energy with wavelike behaviors as it travels through space
length of one complete wave
symbol for wavelength
symbol for frequency
symbol for amplitude
the number of waves that pass a point during a certain time period
distance from the origin to the trough or crest
What is the name for all types of radiation?
What do different types of radiation give off?
Fill in the blank. Energy increases with increasing _________.
Out of all the colors in the rainbow, which has the highest energy level?
Out of all the colors in the rainbow, which has the lowest energy level?
In this equation C=yv, what does the constant (c) stand for?
the speed of light
What is the constant for the speed of light?
3.00 x 10^8 m/s
What are the two problems with the wave model of light?
why heated objects emit certain frequencies of light [think: hot metal] or why some emit electrons when a light shines on them [think: light reflection off building]
Which scientist was the first to observe emission of light? [Think: hot metal]
minimum amount of energy change
Which scientist was the first to observe photoelectric effect? [Think: reflection off building]
a particle of light that carries a quantum of energy
symbol for energy
What is the constant for finding the energy of a photon?
6.626 x 10^-34
Light is the same as _______.
Where is the crest on a wave?
the highest point on a wave
Where is the trough on a wave?
the lowest point on a wave
If a wave has more crests, it is said to have a ________ wavelength and ________ frequency.
The Electromagnetic Spectrum is also known as the _____.
Frequency and wavelength are ________ proportional.
What did Planck conclude with his research?
that energy is emitted in small, specific amounts
What did Einstein conclude with his research?
a wave particle duality
The energy of a photon is __________ to its frequency.
What is the formula for energy?
E = hv
What is the formula for the EM spectrum (light)?
C = yv
set of frequencies of E-waves emitted by atoms of an element
What causes an atom to become excited?
when they absorb energy
How do atoms become stable after being excited?
by emitting light to release energy
all colors (white light)
specific colors, based on the element
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