Question 1

In the Bohr model of the hydrogen atom

Accepted Answer

A) energy is quantized. 
B) the electron's angular momentum is quantized. 
C) the emission spectrum is quantized. 
D) the absorption spectrum is quantized. 
E) all of the above 
A) energy is quantized. 
B) the electron's angular momentum is quantized. 
C) the emission spectrum is quantized. 
D) the absorption spectrum is quantized. 
E) all of the above

Question 2

The energy level diagram for hydrogen  
-The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is __________.

Accepted Answer

The answer of The energy level diagram for hydrogen ...

Question 3

A laser emits monochromatic and coherent light.

Accepted Answer

A) True 
 B)False

Question 4

​Match each item with the correct statement below.
-oscillating atoms in a blackbody have this quantized

Accepted Answer

A) ​angular momentum 
B) ​de Broglie wavelength 
C) ​emission spectrum 
D) ​energy 
E) ​ground state
F)​hologram
G)​laser
H)​photoelectric effect
I)​photon
J)​photon absorption
K)​photon emission
L)​uncertainty principle
M)​wave function 
A) ​angular momentum 
B) ​de Broglie wavelength 
C) ​emission spectrum 
D) ​energy 
E) ​ground state
F)​hologram
G)​laser
H)​photoelectric effect
I)​photon
J)​photon absorption
K)​photon emission
L)​uncertainty principle
M)​wave function

Question 5

The person who first explained the blackbody spectrum was __________.

Accepted Answer

The answer of The person who first explained the blackbody...

Question 6

When the frequency of the light is increased in a photoelectric effect experiment,the energy of the emitted electrons

Accepted Answer

A) increases. 
B) decreases. 
C) stays the same. 
D) becomes more quantized. 
E) becomes less quantized. 
A) increases. 
B) decreases. 
C) stays the same. 
D) becomes more quantized. 
E) becomes less quantized.

Question 7

Electrons in atoms move about the nucleus in well-defined circular orbits.

Accepted Answer

A) True 
 B)False

Question 8

An atom can be excited into a higher energy state by

Accepted Answer

A) emitting a photon. 
B) absorbing a photon. 
C) undergoing the photoelectric effect. 
D) decreasing its de Broglie wavelength. 
E) the uncertainty principle. 
A) emitting a photon. 
B) absorbing a photon. 
C) undergoing the photoelectric effect. 
D) decreasing its de Broglie wavelength. 
E) the uncertainty principle.

Question 9

In a blackbody,the energy of the oscillating atoms is quantized.

Accepted Answer

A) True 
 B)False

Question 10

What is meant by a line spectrum?

Accepted Answer

A) a spectrum which is straight 
B) a spectrum made of bright lines in certain places,separated by dark gaps 
C) a spectrum made by a hot filament stretched into a straight line 
D) none of the above 
A) a spectrum which is straight 
B) a spectrum made of bright lines in certain places,separated by dark gaps 
C) a spectrum made by a hot filament stretched into a straight line 
D) none of the above

Question 11

An electron absorbing an ultraviolet photon will be ejected with a _________ energy than an electron absorbing a violet photon.

Accepted Answer

The answer of An electron absorbing an ultraviolet photon will...

Question 12

Two different gases may have the same emission line spectrum.

Accepted Answer

A) True 
 B)False

Question 13

The aurora borealis (northern lights)are caused by

Accepted Answer

A) sunlight reflecting from polar ice. 
B) emissions from atoms and molecules in the upper atmosphere excited by electrons from the Sun. 
C) thunderstorms. 
D) an unknown process. 
A) sunlight reflecting from polar ice. 
B) emissions from atoms and molecules in the upper atmosphere excited by electrons from the Sun. 
C) thunderstorms. 
D) an unknown process.

Question 14

A photon emitted by an excited atom has an energy of 5 eV.What is its frequency?

Accepted Answer

The answer of A photon emitted by an excited atom...

Question 15

The energy associated with a photon of blue light is ________________ the energy associated with a photon of red light.

Accepted Answer

A) greater than 
B) less than 
C) equal to 
D) unrelated to 
A) greater than 
B) less than 
C) equal to 
D) unrelated to

Question 16

The energy level diagram for hydrogen  
-The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is 1.9 eV.

Accepted Answer

A) True 
 B)False

Question 17

Electrons emitted when light strikes the surface of a metal is

Accepted Answer

A) photon emission. 
B) photon absorption. 
C) the photoelectric effect. 
D) a laser. 
E) an emission spectrum. 
A) photon emission. 
B) photon absorption. 
C) the photoelectric effect. 
D) a laser. 
E) an emission spectrum.

Question 18

The energy level diagram for hydrogen  
-The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is

Accepted Answer

A) 1.5 eV. 
B) 1.9 eV. 
C) 3.4 eV. 
D) 10.2 eV. 
E) 13.6 eV. 
A) 1.5 eV. 
B) 1.9 eV. 
C) 3.4 eV. 
D) 10.2 eV. 
E) 13.6 eV.

Question 19

A population inversion is a circumstance within a laser system in which there are ______ atoms with their electrons in an upper excited state than in a specific preferred lower state.

Accepted Answer

A) more 
B) fewer 
C) the same amount 
D) ionized 
A) more 
B) fewer 
C) the same amount 
D) ionized

Question 20

Light being amplified by stimulated emission of radiation is the principle of the photoelectric effect.

Accepted Answer

A) True 
 B)False

In the Bohr model of the hydrogen atom

The energy level diagram for hydrogen -The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is __________.

A laser emits monochromatic and coherent light.

Match each item with the correct statement below. -oscillating atoms in a blackbody have this quantized

The person who first explained the blackbody spectrum was __________.

When the frequency of the light is increased in a photoelectric effect experiment,the energy of the emitted electrons

Electrons in atoms move about the nucleus in well-defined circular orbits.

An atom can be excited into a higher energy state by

In a blackbody,the energy of the oscillating atoms is quantized.

What is meant by a line spectrum?

An electron absorbing an ultraviolet photon will be ejected with a _________ energy than an electron absorbing a violet photon.

Two different gases may have the same emission line spectrum.

The aurora borealis (northern lights)are caused by

A photon emitted by an excited atom has an energy of 5 eV.What is its frequency?

The energy associated with a photon of blue light is ________________ the energy associated with a photon of red light.

The energy level diagram for hydrogen -The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is 1.9 eV.

Electrons emitted when light strikes the surface of a metal is

The energy level diagram for hydrogen -The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is

A population inversion is a circumstance within a laser system in which there are ______ atoms with their electrons in an upper excited state than in a specific preferred lower state.

Light being amplified by stimulated emission of radiation is the principle of the photoelectric effect.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Nuclear Physics

Special Relativity and Elementary Particles

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Exam 10: Atomic Physics

In the Bohr model of the hydrogen atom

The energy level diagram for hydrogen -The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is __________.

A laser emits monochromatic and coherent light.

​Match each item with the correct statement below. -oscillating atoms in a blackbody have this quantized

The person who first explained the blackbody spectrum was __________.

When the frequency of the light is increased in a photoelectric effect experiment,the energy of the emitted electrons

Electrons in atoms move about the nucleus in well-defined circular orbits.

An atom can be excited into a higher energy state by

In a blackbody,the energy of the oscillating atoms is quantized.

What is meant by a line spectrum?

An electron absorbing an ultraviolet photon will be ejected with a _________ energy than an electron absorbing a violet photon.

Two different gases may have the same emission line spectrum.

The aurora borealis (northern lights)are caused by

A photon emitted by an excited atom has an energy of 5 eV.What is its frequency?

The energy associated with a photon of blue light is ________________ the energy associated with a photon of red light.

The energy level diagram for hydrogen -The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is 1.9 eV.

Electrons emitted when light strikes the surface of a metal is

The energy level diagram for hydrogen -The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is

A population inversion is a circumstance within a laser system in which there are ______ atoms with their electrons in an upper excited state than in a specific preferred lower state.

Light being amplified by stimulated emission of radiation is the principle of the photoelectric effect.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Match each item with the correct statement below. -oscillating atoms in a blackbody have this quantized