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JeopardyJeopardyJeopardyJeopardyPHY101
Chapter 10 Review
Study of Atomic Physics
Cheryl Dellai
Study of Atomic Physics
Photons Photoelectric Effect
Spectrum
Bohr Atom
Principles Potpourri
$100 $100 $100 $100 $100 $100
$200 $200 $200 $200 $200 $200
$300 $300 $300 $300 $300 $300
$400 $400 $400 $400 $400 $400
Photons $100
What is an electron volt?
ANSWER
ANSWER
Photons $200
What is a photon?
ANSWER
Photons $300
What is the energy of a photon?
ANSWER
Photons $400
An excited atom can lose energy by emitting a __________.
Photoelectric Effect $100
ANSWER
The __________ occurs when electrons are emitted when light strikes the surface of a metal.
ANSWER
An atom is said to have been ________ when it absorbs a photon with sufficient energy to free an electron.
Photoelectric Effect $200
ANSWER
Photoelectric Effect $300
When the intensity of light is increased in a photoelectric effect experiment, the energy of the emitted electrons __________.
Photoelectric Effect$400
ANSWER
When the frequency of the light is increased in a photoelectric effect experiment, the energy of the emitted electrons __________.
Spectrum $100
ANSWER
When something is restricted to having only certain numerical values, it is said to be __________.
Spectrum $200
ANSWER
What is a spectrum?
Spectrum $300
ANSWER
What is an emission spectrum?
Spectrum$400
ANSWER
A hot luminous solid emits a __________ spectrum, while a hot luminous gas produces a __________ spectrum.
Bohr Atom $100
ANSWER
Two things that are quantized in the Bohr model of the hydrogen atom are __________ and __________.
Bohr Atom $200
ANSWER
The lowest energy level in an atom is its __________.
Bohr Atom $300
ANSWER
What is the formula for the energy levels?
Bohr Atom $400
ANSWER
In an energy level transition from the n = 2 state to the n =1 state for a hydrogen atom a photon will be ___________.
Principles $100
ANSWER
The __________ states that a particle cannot be precisely localized.
Principles $200
ANSWER
What is the de Broglie wavelength?
Principles $300
ANSWER
What is the Pauli Exclusion Principle?
Principles $400
ANSWER
Two devices that make use of the wavelike nature of electrons are the __________ and the __________.
Potpourri $100
ANSWER
The person who first explained the photoelectric effect was __________.
Potpourri $200
ANSWER
Laser light is _____________ & _______________ .
Potpourri $300
ANSWER
Four different uses of lasers are
Potpourri $400
ANSWER
__________ in an x ray spectrum of an atom occurs because of rapid deceleration of the bombarding electrons.
Photons$100
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What is an electron volt?One electron through 1 volt of potential difference
1 eV = 1.6 *10-19J
Photons$200
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What is a photon?A photon is a wave packet of light.
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What is the energy of a photon?
Energy = hf
Planck’s Constant
h = 6.63*10-34 J*s = 4.14 *10-15 eV*s
Photons$400
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An excited atom can lose energy by emitting a photon.
Photoelectric Effect$100
Answer
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The Photoelectric Effect occurs when electrons are emitted when light strikes the surface of a metal.
Photoelectric Effect$200
Answer
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An atom is said to have been ionized when it absorbs a photon with sufficient energy to free an electron.
Photoelectric Effect$300
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When the intensity of light is increased in a photoelectric effect experiment, the energy of the emitted electrons stays the same.
Photoelectric Effect$400
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When the frequency of the light is increased in a photoelectric effect experiment, the energy of the emitted electrons increases.
Spectrum $100
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When something is restricted to having only certain numerical values, it is said to be quantized.
Spectrum $200
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What is a spectrum?A continuous band of colors of the rainbow ROYGBIV. Each color blends into the next.
Spectrum $300
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What is an emission spectrum?
Colored Lines on a black background.
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A hot luminous solid emits a continuous spectrum, while a hot luminous gas produces a line spectrum.
Bohr Atom $100
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Two things that are quantized in the Bohr model of the hydrogen atom are energy and angular momentum.
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The lowest energy level in an atom is its ground state.For Hydrogen E+ = -13.6 eVThe highest energy level in an atom corresponds to n = infinity
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What is the formula for the energy levels?En = EGround state/n² n = principal quantum #
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In an energy level transition from the n = 2 state to the n =1 state for a hydrogen atom a photon will be emitted.
Principles $100
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The Uncertainty Principle states that a particle cannot be precisely localized.xp h or Et h
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What is the de Broglie wavelength?
= h/(mv)
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What is the Pauli Exclusion Principle?
No two electrons can occupy the same quantum state at the
same time . # of states = 2n²
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Two devices that make use of the wavelike nature of electrons are the
electron microscope and the scanning tunneling microscope (STM)
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The person who first explained the photoelectric effect was Albert Einstein.
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Laser light is monochromatic & coherent .
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Principle uses of lasers are1. to produce holograms,2. for surgery,3. to measure accurately distances between objects, 4. in DVD and compact disc players, to cut metals, 5. to induce nuclear fusion reactions, 6. to transmit telephone information along optical fibers,7. in checkout counter price scanners.
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A continuous variation in an x ray spectrum of an atom occurs because of rapid deceleration of the bombarding electrons.
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