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Which of the following is not a type of electromagnetic radiation? . gamma rays x-rays alpha-rays visible light radio waves . A black body produces which kind of spectrum? . continuous spectrum absorption lines emission lines electric spectrum all of the above .
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Which of the following is not a type of electromagnetic radiation? • gamma rays • x-rays • alpha-rays • visible light • radio waves
A black body produces which kind of spectrum? • continuous spectrum • absorption lines • emission lines • electric spectrum • all of the above
If you double the frequency of a photon, its energy increases by how many times? • 2 • 3 • 4 • 10 • no change in energy
C D A B E F Match each letter to the name of the corresponding part of the pictured spectrum. What is A? • X-rays • Visible light • Ultraviolet • Radio waves • Gamma rays • Infrared
C D A B E F Match each letter to the name of the corresponding part of the pictured spectrum. What is B? • X-rays • Visible light • Ultraviolet • Radio waves • Gamma rays • Infrared
C D A B E F Match each letter to the name of the corresponding part of the pictured spectrum. What is C? • X-rays • Visible light • Ultraviolet • Radio waves • Gamma rays • Infrared
C D A B E F Match each letter to the name of the corresponding part of the pictured spectrum. What is D? • X-rays • Visible light • Ultraviolet • Radio waves • Gamma rays • Infrared
C D A B E F Match each letter to the name of the corresponding part of the pictured spectrum. What is E? • X-rays • Visible light • Ultraviolet • Radio waves • Gamma rays • Infrared
C D A B E F Match each letter to the name of the corresponding part of the pictured spectrum. What is F? • X-rays • Visible light • Ultraviolet • Radio waves • Gamma rays • Infrared
Which of the following colors is not part of the acronym ROY G BIV? • Red • Yellow • Infrared • Violet • Green
Fraunhofer lines in the Sun’s spectrum are an example of what kind of spectral lines? • continuous • emission • absorption • thermal • ionizing
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? • two times • three times • four times • nine times • sixteen times
The change in wavelength measured by the Doppler shift of light from an object can be used to measure which property of the object? • luminosity • wavelength • relative motion • mass • frequency
The wavelength of light from an object approaching us is shifted towards which end of the spectrum? • red • blue • green • white • the wavelength of light from the object is not shifted due to velocity.
Cooler stars emit more radiation at _____ wavelengths compared with hotter stars. • redder • bluer • greener • yellower • none of the above.
Hydrogen emits radio waves at a wavelength of 21 cm. What frequency is this? • 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
For each letter select the matching interpretation for this part of the graph. What is A? • Hotter source • Cooler source • Continuous spectrum • Emission spectrum • Absorption spectrum
For each letter select the matching interpretation for this part of the graph. What is B? • Hotter source • Cooler source • Continuous spectrum • Emission spectrum • Absorption spectrum
For each letter select the matching interpretation for this part of the graph. What is C? • Hotter source • Cooler source • Continuous spectrum • Emission spectrum • Absorption spectrum
For each letter select the matching interpretation for this part of the graph. What is D? • Hotter source • Cooler source • Continuous spectrum • Emission spectrum • Absorption spectrum
For each letter select the matching interpretation for this part of the graph. What is E? • Hotter source • Cooler source • Continuous spectrum • Emission spectrum • Absorption spectrum
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? • Emission • Absorption • Continuous • Ionizing • This does not happen.
Match each letter to the corresponding part of the diagram. What is A? • 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.
Match each letter to the corresponding part of the diagram. What is B? • 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.
Match each letter to the corresponding part of the diagram. What is C? • 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.
Match each letter to the corresponding part of the diagram. What is 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.
A star that is brightest at infrared wavelengths is likely to be ____ than a star that is brightest at ultraviolet wavelengths. • cooler • hotter • the same temperature • closer • further away
Which of the following wavelength ranges of light from the sun are not at least partially blocked by the Earth’s atmosphere? • Infrared • Gamma ray • X-rays • Visible • Ultraviolet
A black body at a certain temperature will emit what kind of spectrum? • emission • absorption • continuum • Doppler • Bohr
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? • 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.
Two stars are the same temperature, but one is twice the radius of the other. Which one is more luminous? • The smaller one. • The larger one. • The more massive one. • They have the same luminosity. • It can’t be determined from the information given.
A spectrum can be described as a graph of color versus _____. • wavelength • frequency • intensity • temperature • velocity