Question 1

The longer the wavelength of the photon, the ________ the energy it carries.

Accepted Answer

The answer of The longer the wavelength of the photon,...

Question 2

According to the Zeeman effect, the splitting of a sunspot's spectral lines is due to:

Accepted Answer

A) their rapid rotation. 
B) temperature variations. 
C) their magnetic fields. 
D) their radial velocity. 
E) a Doppler shift. 
A) their rapid rotation. 
B) temperature variations. 
C) their magnetic fields. 
D) their radial velocity. 
E) a Doppler shift.

Question 3

In a hydrogen atom, a transition from the third to the second energy level will produce:

Accepted Answer

A) a red emission line. 
B) a blue green absorption line. 
C) a violet emission line. 
D) an infrared emission line. 
E) an ultraviolet absorption line. 
A) a red emission line. 
B) a blue green absorption line. 
C) a violet emission line. 
D) an infrared emission line. 
E) an ultraviolet absorption line.

Question 4

The radial velocity of a star's motion in space can also broaden its spectral lines.

Accepted Answer

A) True 
 B)False

Question 5

The ________ splitting of the spectral lines is due to a strong magnetic field present.

Accepted Answer

The answer of The ________ splitting of the spectral lines...

Question 6

The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is:

Accepted Answer

A) a continuum, strongest in the color red. 
B) a few bright lines against a dark background. 
C) a few dark lines in the continuum. 
D) a continuum, but with both bright and dark lines mixed in. 
E) not in the visible portion of the spectrum. 
A) a continuum, strongest in the color red. 
B) a few bright lines against a dark background. 
C) a few dark lines in the continuum. 
D) a continuum, but with both bright and dark lines mixed in. 
E) not in the visible portion of the spectrum.

Question 7

The energy required to move an electron in a hydrogen atom from energy level 1 to energylevel 2 is:

Accepted Answer

A) 10.2 eV. 
B) 12.1 eV. 
C) 12.75 eV. 
D) 13.1 eV. 
E) 13.6 eV. 
A) 10.2 eV. 
B) 12.1 eV. 
C) 12.75 eV. 
D) 13.1 eV. 
E) 13.6 eV.

Question 8

According to the photoelectric effect, in order to release electrons from a solid, the lightincident upon it must:

Accepted Answer

A) have a high intensity. 
B) have a low intensity. 
C) have a long wavelength. 
D) have a short wavelength. 
E) none of the above 
A) have a high intensity. 
B) have a low intensity. 
C) have a long wavelength. 
D) have a short wavelength. 
E) none of the above

Question 9

The energy required to ionize a hydrogen atom whose electron is in the ground state (energylevel 1)is:

Accepted Answer

A) 10.2 eV. 
B) 12.1 eV. 
C) 12.75 eV. 
D) 13.1 eV. 
E) 13.6 eV. 
A) 10.2 eV. 
B) 12.1 eV. 
C) 12.75 eV. 
D) 13.1 eV. 
E) 13.6 eV.

Question 10

The photoelectric effect shows that there is a minimum frequency (energy)required todislodge an electron from an atom. This effect demonstrates

Accepted Answer

A) the speed of light is a constant. 
B) the wave nature of light. 
C) the particle nature of light. 
D) the inverse relationship between wavelength and frequency. 
E) when photons kick an electron out of a metal atom, the electrons move fastest when thewavelength of light is longest. 
A) the speed of light is a constant. 
B) the wave nature of light. 
C) the particle nature of light. 
D) the inverse relationship between wavelength and frequency. 
E) when photons kick an electron out of a metal atom, the electrons move fastest when thewavelength of light is longest.

Question 11

In space, positive ions are the result of:

Accepted Answer

A) protons escaping from the nuclei of atoms at tremendous temperatures. 
B) electrons being stripped off the outer electron shell for hot atoms. 
C) positrons being added to the atomic nucleus at great energies. 
D) positrons being added to the electron clouds, destroying the electrons. 
E) electrons being added to the cloud, giving them a surplus over protons. 
A) protons escaping from the nuclei of atoms at tremendous temperatures. 
B) electrons being stripped off the outer electron shell for hot atoms. 
C) positrons being added to the atomic nucleus at great energies. 
D) positrons being added to the electron clouds, destroying the electrons. 
E) electrons being added to the cloud, giving them a surplus over protons.

Question 12

If we increase the pressure in the gas of a blackbody, how will the spectral lines be affected?

Accepted Answer

The lines will broad

Question 13

Which of the following types of electromagnetic radiation has the lowest energy?

Accepted Answer

A) radio 
B) infrared 
C) visible 
D) ultraviolet 
E) X-ray 
A) radio 
B) infrared 
C) visible 
D) ultraviolet 
E) X-ray

Question 14

What is spectroscopy?

Accepted Answer

A) an analysis of the way in which atoms absorb and emit light 
B) a study of the geometry of rainbows 
C) an observational technique to measure the brightness of light at different colors 
D) the use of CCDs to capture light more efficiently than with photographic film 
E) a method to freeze atmospheric turbulence for better resolution 
A) an analysis of the way in which atoms absorb and emit light 
B) a study of the geometry of rainbows 
C) an observational technique to measure the brightness of light at different colors 
D) the use of CCDs to capture light more efficiently than with photographic film 
E) a method to freeze atmospheric turbulence for better resolution

Question 15

An X-ray photon has more energy than a visible photon.

Accepted Answer

A) True 
 B)False

Question 16

The broader the spectral line, the higher the pressure of the gas that is creating it.

Accepted Answer

A) True 
 B)False

Question 17

The absorption lines for a cool thin gas are identical in color and energy to the emission linesof the same gas if hot enough to glow.

Accepted Answer

A) True 
 B)False

Question 18

Explain how Bohr's model creates emission and absorption lines in the spectrum.

Accepted Answer

Bohr's model has the electron orbitals q

Question 19

The Fraunhofer lines in the solar spectrum are actually:

Accepted Answer

A) emission lines from hot gases in the chromosphere of the Sun. 
B) emission sections of the continuous spectrum of the photosphere. 
C) Zeeman lines around sunspots due to their strong magnetic fields. 
D) absorption lines due to the thin outer layer above the photosphere. 
E) redshifted lines due to the Sun's rotation. 
A) emission lines from hot gases in the chromosphere of the Sun. 
B) emission sections of the continuous spectrum of the photosphere. 
C) Zeeman lines around sunspots due to their strong magnetic fields. 
D) absorption lines due to the thin outer layer above the photosphere. 
E) redshifted lines due to the Sun's rotation.

Exam 4: Spectroscopy: the Inner Workings of Atoms

The longer the wavelength of the photon, the ________ the energy it carries.

According to the Zeeman effect, the splitting of a sunspot's spectral lines is due to:

In a hydrogen atom, a transition from the third to the second energy level will produce:

The radial velocity of a star's motion in space can also broaden its spectral lines.

The ________ splitting of the spectral lines is due to a strong magnetic field present.

The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is:

The energy required to move an electron in a hydrogen atom from energy level 1 to energylevel 2 is:

According to the photoelectric effect, in order to release electrons from a solid, the lightincident upon it must:

The energy required to ionize a hydrogen atom whose electron is in the ground state (energylevel 1)is:

The photoelectric effect shows that there is a minimum frequency (energy)required todislodge an electron from an atom. This effect demonstrates

In space, positive ions are the result of:

If we increase the pressure in the gas of a blackbody, how will the spectral lines be affected?

Which of the following types of electromagnetic radiation has the lowest energy?

What is spectroscopy?

An X-ray photon has more energy than a visible photon.

The broader the spectral line, the higher the pressure of the gas that is creating it.

The absorption lines for a cool thin gas are identical in color and energy to the emission linesof the same gas if hot enough to glow.

Explain how Bohr's model creates emission and absorption lines in the spectrum.

The Fraunhofer lines in the solar spectrum are actually:

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information From the Cosmos

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earths Sister Planet

Mars: a Near Miss for Life

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Gas and Dust Among the Stars

Star Formation: a Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae, Supernovae, and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone

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