Question 1

A filtergram is a photograph of the sun's surface made

Accepted Answer

A)   in a band of wavelengths in the infrared.
B)   in a band of wavelengths in the ultraviolet.
C)   using the Zeeman effect.
D)   with only those photons emitted in a specific spectral line.
E)   none of the above.F) D) and E)
G) B) and E)

Question 2

Sunspots are known to be magnetic phenomena because

Accepted Answer

A)   Doppler shifts in spectral lines are observed.
B)   the Zeeman effect is observed in sunspots.
C)   collisional broadening is observed in spectral lines.
D)   infrared observations indicate that the sunspots are cooler than their surroundings.
E)   observations during eclipses reveal a very extensive photosphere.F) C) and E)
G) D) and E)

Question 3

Initially, scientists detected lower than the expected number of neutrinos from the sun.

Accepted Answer

A) True 
 B)False

Question 4

The proton-proton chain

Accepted Answer

A)   combines two hydrogen nuclei to produce a single helium nucleus and energy.
B)   splits a helium nucleus to produce 4 hydrogen nuclei and energy.
C)   is the mechanism that increases the temperature between the photosphere and corona of the sun.
D)   is the interactions between protons in Earth's atmosphere that produces auroras.
E)   produces energy in the core of the sun in the form of gamma rays, positrons, and neutrinos.F) B) and D)
G) A) and D)

Question 5

The ____ occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field.

Accepted Answer

A)   dynamo effect
B)   Zeeman effect
C)   Babcock effect
D)   proton-proton chain
E)   auroraF) A) and B)
G) B) and E)

Question 6

The rotation of the sun's photosphere is

Accepted Answer

A)   fastest at the equator, slower at mid-latitudes, and slowest near the poles.
B)   slowest at the equator, faster at mid-latitudes, and fastest near the poles.
C)   fastest at the equator, slowest at mid-latitudes and the poles which travel at the same speed.
D)   the same regardless of latitude.E) A) and C)
F) B) and C)

Question 7

The sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the ____________ layer while the dark absorption lines are produced by ____________layers.

Accepted Answer

A)   inner chromosphere; outer photosphere
B)   inner photosphere; outer chromosphere
C)   inner chromosphere; outer corona
D)   inner corona, outer chromosphereE) B) and C)
F) A) and D)

Question 8

Diagram 7-1 
-Diagram 7-1 shows a plot of the temperature of the sun as a function of distance above the bottom of the photosphere. What is the temperature of the sun at a distance of 2,000 km?

Accepted Answer

A)   500 K
B)   900 K
C)   5,000 K
D)   9,000 K
E)   100,000 KF) D) and E)
G) C) and D)

Question 9

Solar flares have no known effect on Earth.

Accepted Answer

A) True 
 B)False

Question 10

As the moon covers the solar disk during a solar eclipse, a flash spectrum of the sun's chromosphere can be recorded. This flash spectrum reveals an emission spectrum and provides information on the properties of the chromosphere. As the moon moves from the inner chromosphere to the outer chromosphere, the spectral lines present in the flash spectrum change. What is going on in the chromosphere that produces the changes in the flash spectrum?

Accepted Answer

A)   I & III
B)   I & IV
C)   II & III
D)   II & IV
E)   IF) All of the above
G) D) and E)

Question 11

There is only one form of neutrino.

Accepted Answer

A) True 
 B)False

Question 12

The sun's magnetic field is evident in the looped shapes of

Accepted Answer

A)   solar flares.
B)   sunspots.
C)   the corona.
D)   granules.
E)   prominences.F) A) and E)
G) A) and C)

Question 13

The United States consumes 2.5*1019 J of energy each year. A typical solar flare releases 5.0*1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used?

Accepted Answer

A)   5*10-6 years
B)   200,000 years
C)   1.25*1044 years
D)   about 12 years
E)   500 yearsF) D) and E)
G) C) and E)

Question 14

The dynamo effect is believed to produce the ____________________ of the sun.

Accepted Answer

The answer of The dynamo effect is believed to produce...

Question 15

Sunspots are hotter than the photosphere.

Accepted Answer

A) True 
 B)False

Question 16

What is the explanation for the pattern of granulation seen on the visible surface of the sun?

Accepted Answer

A)   The granules form the base of a circulation pattern that extends from the photosphere to the outer corona.
B)   The granules are regions of nuclear energy generation in the sun's photosphere.
C)   Each granule contains a strong magnetic field, which compresses and heats the gas underneath it.
D)   The granules are the tops of hot gas that have risen from the sun's convective zone.E) None of the above
F) B) and C)

Question 17

What evidence do we have that the chromosphere is hotter than the photosphere?

Accepted Answer

The answer of What evidence do we have that the...

Question 18

Granulation is caused by rising currents of hot gas below the photosphere.

Accepted Answer

A) True 
 B)False

Question 19

A(n) ____________________ is a subatomic particle produced in nuclear fusion that can travel through the sun and escape to space without interacting with any particles in the sun.

Accepted Answer

The answer of A(n) ____________________ is a subatomic particle produced...

Question 20

The ____________________ of the sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum.

Accepted Answer

The answer of The ____________________ of the sun is composed...

Exam 7: The Sun

Granulation is caused by rising currents of hot gas below the photosphere.

Correct Answer
verified

A(n) ____________________ is a subatomic particle produced in nuclear fusion that can travel through the sun and escape to space without interacting with any particles in the sun.

Correct Answer
verified

Sunspots are hotter than the photosphere.

Correct Answer
verified

The ____ occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field.

Correct Answer
verified

The proton-proton chain

Correct Answer
verified

The ____________________ of the sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum.

Correct Answer
verified

Solar flares have no known effect on Earth.

Correct Answer
verified

A filtergram is a photograph of the sun's surface made

Correct Answer
verified

The sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the layer while the dark absorption lines are produced by layers.

Correct Answer
verified

The sun's magnetic field is evident in the looped shapes of

Correct Answer
verified

Diagram 7-1 -Diagram 7-1 shows a plot of the temperature of the sun as a function of distance above the bottom of the photosphere. What is the temperature of the sun at a distance of 2,000 km?

Correct Answer
verified

What is the explanation for the pattern of granulation seen on the visible surface of the sun?

Correct Answer
verified

Sunspots are known to be magnetic phenomena because

Correct Answer
verified

The dynamo effect is believed to produce the ____________________ of the sun.

Correct Answer
verified

The United States consumes 2.510¹⁹ J of energy each year. A typical solar flare releases 5.010²⁴ J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used?

Correct Answer
verified

Initially, scientists detected lower than the expected number of neutrinos from the sun.

Correct Answer
verified

There is only one form of neutrino.

Correct Answer
verified

Correct Answer
verified

What evidence do we have that the chromosphere is hotter than the photosphere?

Correct Answer
verified

The rotation of the sun's photosphere is

Correct Answer
verified

Exam 7: The Sun

Granulation is caused by rising currents of hot gas below the photosphere.

Correct AnswerverifiedShow Answer

A(n) ____________________ is a subatomic particle produced in nuclear fusion that can travel through the sun and escape to space without interacting with any particles in the sun.

Correct AnswerverifiedShow Answer

Sunspots are hotter than the photosphere.

Correct AnswerverifiedShow Answer

The ____ occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field.

Correct AnswerverifiedShow Answer

The proton-proton chain

Correct AnswerverifiedShow Answer

The ____________________ of the sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum.

Correct AnswerverifiedShow Answer

Solar flares have no known effect on Earth.

Correct AnswerverifiedShow Answer

A filtergram is a photograph of the sun's surface made

Correct AnswerverifiedShow Answer

The sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the ____________ layer while the dark absorption lines are produced by ____________layers.

Correct AnswerverifiedShow Answer

The sun's magnetic field is evident in the looped shapes of

Correct AnswerverifiedShow Answer

Diagram 7-1 -Diagram 7-1 shows a plot of the temperature of the sun as a function of distance above the bottom of the photosphere. What is the temperature of the sun at a distance of 2,000 km?

Correct AnswerverifiedShow Answer

What is the explanation for the pattern of granulation seen on the visible surface of the sun?

Correct AnswerverifiedShow Answer

Sunspots are known to be magnetic phenomena because

Correct AnswerverifiedShow Answer

The dynamo effect is believed to produce the ____________________ of the sun.

Correct AnswerverifiedShow Answer

The United States consumes 2.5*1019 J of energy each year. A typical solar flare releases 5.0*1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used?

Correct AnswerverifiedShow Answer

Initially, scientists detected lower than the expected number of neutrinos from the sun.

Correct AnswerverifiedShow Answer

There is only one form of neutrino.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What evidence do we have that the chromosphere is hotter than the photosphere?

Correct AnswerverifiedShow Answer

The rotation of the sun's photosphere is

Correct AnswerverifiedShow Answer

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Correct Answer
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Correct Answer
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verified

The sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the layer while the dark absorption lines are produced by layers.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The United States consumes 2.510¹⁹ J of energy each year. A typical solar flare releases 5.010²⁴ J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used?

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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