1. What distinguishes one type of electromagnetic radiation from another?
a. protons b. the amounts of energy c. the atoms d. they are all the same
2. These massless particles carry the energy we call electromagnetic radiation…. All the cool kids call it EMR.
a. neutrons b. protons c. photons d. electrons
3. A __________ is the number of wave peaks that pass you in one second.
a. wavelength b. photons c. frequency d. quanta
4. Which type of EMR has the highest amount of energy?
a. gamma-rays b. infra-red c. microwaves d. radio waves
5. T – F Infra-red radiation is also called heat, and is a higher form of energy than radio waves.
6. According to _____________ Law, hotter objects are bluer, and cooler objects are redder.
a. Doppler’s b. Stefan-Boltzmann’s c. Wein’s d. Herschel’s
7. According to _____________ Law, hotter objects are brighter.
a. Doppler’s b. Stefan-Boltzmann’s c. Wein’s d. Herschel’s
8. T – F Spectroscopy can be used to determine an atom’s structure.
9 .According the Kirchoff’s first law of spectroscopy:
a. a hot solid, or a hot, dense gas produces a continuous spectrum.
b. a hot, low-density gas produces an emission-line spectrum.
c. a continuous spectrum viewed through a cool, low-density cloud produces an absorption-line spectrum.
d. the surface temperature of stars can be determined by the star’s mass.
10. Emission lines, of an emission-line spectrum, are produced as electrons:
a. are converted into electrons, think E = mc2
b. are converted into leptons (light-mass particles)
c. transition to higher energy levels.
d. transition to lower energy levels.
Bonus
11. Objects that are moving toward us are:
a. red-shifted b. blue-shifted c. green-shifted d. invisible
a. protons b. the amounts of energy c. the atoms d. they are all the same
2. These massless particles carry the energy we call electromagnetic radiation…. All the cool kids call it EMR.
a. neutrons b. protons c. photons d. electrons
3. A __________ is the number of wave peaks that pass you in one second.
a. wavelength b. photons c. frequency d. quanta
4. Which type of EMR has the highest amount of energy?
a. gamma-rays b. infra-red c. microwaves d. radio waves
5. T – F Infra-red radiation is also called heat, and is a higher form of energy than radio waves.
6. According to _____________ Law, hotter objects are bluer, and cooler objects are redder.
a. Doppler’s b. Stefan-Boltzmann’s c. Wein’s d. Herschel’s
7. According to _____________ Law, hotter objects are brighter.
a. Doppler’s b. Stefan-Boltzmann’s c. Wein’s d. Herschel’s
8. T – F Spectroscopy can be used to determine an atom’s structure.
9 .According the Kirchoff’s first law of spectroscopy:
a. a hot solid, or a hot, dense gas produces a continuous spectrum.
b. a hot, low-density gas produces an emission-line spectrum.
c. a continuous spectrum viewed through a cool, low-density cloud produces an absorption-line spectrum.
d. the surface temperature of stars can be determined by the star’s mass.
10. Emission lines, of an emission-line spectrum, are produced as electrons:
a. are converted into electrons, think E = mc2
b. are converted into leptons (light-mass particles)
c. transition to higher energy levels.
d. transition to lower energy levels.
Bonus
11. Objects that are moving toward us are:
a. red-shifted b. blue-shifted c. green-shifted d. invisible
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