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Astronomy Ch. 4 Spectroscopy The Inner Workings of Atoms questions and answers
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Astronomy Ch. 4 Spectroscopy The Inner Workings of Atoms questions and answers
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Astronomy Ch. 4Spectroscopy: The Inner
Workings of Atoms questions
and answers
What is spectroscopy?
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 -
answer Answer: ATypical stellar spectra appear as:
A) a series of bright, colored lines.
B) an unbroken rainbow of colors.
C) a rainbow, but with some dark lines mixed in.
D) a rainbow with some bright lines on top of the continuum.
E) a very redshifted rainbow due to the expansion of the universe.
Answer: C
Typical stellar spectra appear as:
A) a series of bright, colored lines.
B) an unbroken rainbow of colors.
C) a rainbow, but with some dark lines mixed in.
D) a rainbow with some bright lines on top of the continuum.
, E) a very redshifted rainbow due to the expansion of the universe. -
answer Answer: C
Which of these is the classic continuous spectrum?
A) sunlight
B) a rainbow
C) a neon light
D) a fluorescent light
E) a glowing nebula, such as M-42 - answer Answer: B
The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its
spectrum is:
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. - answer Answer: B
The three laws dealing with the creation of various spectra are due
to:
A) Newton.
B) Fraunhofer.
C) Kirchhoff.
D) Bohr.
E) Einstein. - answer Answer: C
The Fraunhofer lines in the solar spectrum are actually:
A) emission lines from hot gases in the chromosphere of the Sun.
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