Transcript Slide 1

Which of the following is not a type of
electromagnetic radiation?
a.
b.
c.
d.
e.
gamma rays
x-rays
alpha-rays
visible light
radio waves
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
A black body produces which kind of
spectrum?
a. continuous
spectrum
b. absorption lines
c. emission lines
d. electric spectrum
e. all of the above
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
If you double the frequency of a photon,
its energy increases by how many times?
a.
b.
c.
d.
e.
2
3
4
10
no change in
energy
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
C
A
B
D
E
F
Match each letter to
the name of the
corresponding part
of the pictured
spectrum.
What is A?
17%
a.
b.
c.
d.
e.
f.
X-rays
Visible light
Ultraviolet
Radio waves
Gamma rays
Infrared
17%
17%
17%
17%
a.
b.
17%
c.
d.
e.
f.
C
A
B
D
E
F
Match each letter to
the name of the
corresponding part
of the pictured
spectrum.
What is B?
17%
17%
a.
b.
c.
d.
e.
f.
X-rays
Visible light
Ultraviolet
Radio waves
Gamma rays
Infrared
17%
17%
17%
a.
b.
17%
c.
d.
e.
f.
C
A
B
D
E
F
Match each letter to
the name of the
corresponding part
of the pictured
spectrum.
What is C?
17%
a.
b.
c.
d.
e.
f.
X-rays
Visible light
Ultraviolet
Radio waves
Gamma rays
Infrared
17%
17%
17%
17%
17%
a.
b.
c.
d.
e.
f.
C
A
B
D
E
F
Match each letter to
the name of the
corresponding part
of the pictured
spectrum.
What is D?
17%
a.
b.
c.
d.
e.
f.
X-rays
Visible light
Ultraviolet
Radio waves
Gamma rays
Infrared
17%
17%
17%
17%
a.
b.
17%
c.
d.
e.
f.
C
A
B
D
E
F
Match each letter to
the name of the
corresponding part
of the pictured
spectrum.
What is E?
17%
17%
a.
b.
c.
d.
e.
f.
X-rays
Visible light
Ultraviolet
Radio waves
Gamma rays
Infrared
17%
17%
17%
a.
b.
17%
c.
d.
e.
f.
C
A
B
D
E
F
Match each letter to
the name of the
corresponding part
of the pictured
spectrum.
What is F?
17%
a.
b.
c.
d.
e.
f.
X-rays
Visible light
Ultraviolet
Radio waves
Gamma rays
Infrared
17%
17%
17%
17%
17%
a.
b.
c.
d.
e.
f.
Which of the following colors is not part of
the acronym ROY G BIV?
a.
b.
c.
d.
e.
Red
Yellow
Infrared
Violet
Green
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
Fraunhofer lines in the Sun’s spectrum are an
example of what kind of spectral lines?
a.
b.
c.
d.
e.
continuous
emission
absorption
thermal
ionizing
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
According to Wien’s law, a star that emits most of its
radiation at 3000 Angstroms is how many times hotter than
a star that emits most of its radiation at 9000 Angstroms?
a.
b.
c.
d.
e.
two times
three times
four times
nine times
sixteen times
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
The change in wavelength measured by the Doppler
shift of light from an object can be used to measure
which property of the object?
a.
b.
c.
d.
e.
luminosity
wavelength
relative motion
mass
frequency
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
The wavelength of light from an object
approaching us is shifted towards which end
of the spectrum?
a.
b.
c.
d.
e.
red
blue
green
white
the wavelength of
light from the object
is not shifted due to
velocity.
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
Cooler stars emit more radiation at _____
wavelengths compared with hotter stars.
a.
b.
c.
d.
e.
redder
bluer
greener
yellower
none of the
above.
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
Hydrogen emits radio waves at a wavelength
of 21 cm. What frequency is this?
a.
b.
c.
d.
e.
1.43 x 109 Hz
2.2 x 1010 Hz
2.86 x 1012 Hz
5.46 x 1014 Hz
6.78 x 1015 Hz
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
For each letter
select the matching
interpretation for
this part of the
graph.
What is A?
a.
b.
c.
d.
e.
Hotter source
Cooler source
Continuous spectrum
Emission spectrum
Absorption spectrum
20%
20%
20%
20%
20%
a.
b.
c.
d.
e.
For each letter
select the matching
interpretation for
this part of the
graph.
What is B?
a.
b.
c.
d.
e.
Hotter source
Cooler source
Continuous spectrum
Emission spectrum
Absorption spectrum
20%
20%
20%
20%
20%
a.
b.
c.
d.
e.
For each letter
select the matching
interpretation for
this part of the
graph.
What is C?
a.
b.
c.
d.
e.
Hotter source
Cooler source
Continuous spectrum
Emission spectrum
Absorption spectrum
20%
20%
20%
20%
20%
a.
b.
c.
d.
e.
For each letter
select the matching
interpretation for
this part of the
graph.
What is D?
a.
b.
c.
d.
e.
Hotter source
Cooler source
Continuous spectrum
Emission spectrum
Absorption spectrum
20%
20%
20%
20%
20%
a.
b.
c.
d.
e.
For each letter
select the matching
interpretation for
this part of the
graph.
What is E?
a.
b.
c.
d.
e.
Hotter source
Cooler source
Continuous spectrum
Emission spectrum
Absorption spectrum
20%
20%
20%
20%
20%
a.
b.
c.
d.
e.
When an electron absorbs a photon and jumps from a
lower energy level to a higher energy level, what kind of
spectral line is created?
a.
b.
c.
d.
e.
Emission
Absorption
Continuous
Ionizing
This does not
happen.
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
Match each letter to the corresponding
part of the diagram.
What is A?
a.
b.
c.
d.
This is the energy level
associated with the Balmer
series.
This is the ground state of
the atom.
A transition from this energy
level to energy level n=4
would result in an absorption
line.
A transition from this energy
level to energy level n=4
would result in an emission
line.
25%
a.
25%
b.
25%
c.
25%
d.
Match each letter to the corresponding
part of the diagram.
What is B?
a.
b.
c.
d.
This is the energy level
associated with the Balmer
series.
This is the ground state of
the atom.
A transition from this energy
level to energy level n=4
would result in an absorption
line.
A transition from this energy
level to energy level n=4
would result in an emission
line.
25%
a.
25%
b.
25%
c.
25%
d.
Match each letter to the corresponding
part of the diagram.
What is C?
a.
b.
c.
d.
This is the energy level
associated with the Balmer
series.
This is the ground state of
the atom.
A transition from this energy
level to energy level n=4
would result in an absorption
line.
A transition from this energy
level to energy level n=4
would result in an emission
line.
25%
a.
25%
b.
25%
c.
25%
d.
Match each letter to the corresponding
part of the diagram.
What is D?
a.
b.
c.
d.
This is the energy level
associated with the Balmer
series.
This is the ground state of
the atom.
A transition from this energy
level to energy level n=4
would result in an absorption
line.
A transition from this energy
level to energy level n=4
would result in an emission
line.
25%
a.
25%
b.
25%
c.
25%
d.
A star that is brightest at infrared wavelengths is
likely to be ____ than a star that is brightest at
ultraviolet wavelengths.
a. cooler
b. hotter
c. the same
temperature
d. closer
e. further away
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
Which of the following wavelength ranges of
light from the sun are not at least partially
blocked by the Earth’s atmosphere?
20% 20% 20% 20%
20%
a. Infrared
b. Gamma ray
c. X-rays
d. Visible
e. Ultraviolet
a.
b.
c.
d.
e.
A black body at a certain temperature will
emit what kind of spectrum?
a.
b.
c.
d.
e.
emission
absorption
continuum
Doppler
Bohr
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
A spectral line detected from the left limb of Venus is found
to be of a longer wavelength than the same line detected
on the right limb. Which side is approaching us?
a.
b.
c.
d.
e.
Left side
Right side
It can’t be determined
from the information
given.
Neither. It depends on
the orientation of the
pole of rotation.
Venus rotates
retrograde so you can’t
tell.
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
Two stars are the same temperature, but one is
twice the radius of the other. Which one is more
luminous?
a. The smaller one.
b. The larger one.
c. The more massive
one.
d. They have the same
luminosity.
e. It can’t be
determined from the
information given.
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.
A spectrum can be described as a
graph of color versus _____.
a.
b.
c.
d.
e.
wavelength
frequency
intensity
temperature
velocity
20%
a.
20%
b.
20%
20%
c.
d.
20%
e.