ASTRO 1 FINAL EXAM PSU STUDY
GUIDE QUESTIONS AND ANSWERS
100% ACCURATE
⩥ A. Answer: How many constellations ARE NOT Zodiac
constellations?
A) 75 or 76
B) none, all constellations are Zodiac constellations
C) 44
D) 12 or 13
E) 88
⩥ E. Answer: What happens when the electrons in atoms of a particular
chemical element jump from higher to lower energy levels?
A) protons in the atoms jump from lower to higher energy levels to
compensate
B) photons are absorbed by the atoms at those particular energies
C) dark lines appear in the spectrum at particular energy levels
D) a continuous spectrum is produced
E) bright lines appear in the spectrum at particular energy levels
⩥ D. Answer: Compare the frequency and wavelength of a gamma ray
with that of visible light:
,A) gamma ray frequency and wavelength is the same as visible light
B) gamma ray frequency is lower and its wavelength is lower
C) gamma ray frequency is lower and its wavelength is higher
D) gamma ray frequency is higher and its wavelength is lower
E) gamma ray frequency is higher and its wavelength is higher
⩥ D. Answer: How much more light does a 9 meter telescope collect
than a 3 meter telescope?
A) 3 times more
B) 36 times more
C) 27 times more
D) 9 times more
E) 81 times more
⩥ B. Answer: Which would have the shortest day and the longest year?
A) The rotation speed of a planet and its orbital speed around the Sun
have nothing to do with the length of its days or years.
B) A planet that rotates rapidly on its axis and orbits slowly around the
Sun.
C) A planet that rotates slowly on its axis and orbits rapidly around the
Sun.
D) A planet that rotates slowly on its axis and orbits slowly around the
Sun.
,E) A planet that rotates rapidly on its axis and orbits rapidly around the
Sun.
⩥ A. Answer: Consider a planet whose rotation axis is NOT tilted with
respect to its orbital plane. What are the seasons like on this planet?
A) there are no seasons.
B) Reversed from those on Earth (winter, fall, summer, spring).
C) longer than those on Earth.
D) shorter than those on Earth.
E) the same as those on Earth.
⩥ A. Answer: At what time will the Moon set on the day of a Solar
eclipse?
A) Sunset
B) It will not set at all. It will be up for 24 hours.
C) Sunrise
D) Noon
E) Midnight
⩥ A. Answer: Which of the following is FALSE?
A) Room temperature is about 30000 degrees Kelvin, which is in the
ultraviolet part of the spectrum.
, B) The Sun is 5800 degrees Kelvin and its spectrum peaks in the visible
light region (around green-yellow).
C) A prism splits light into different colors by bending different
wavelengths by different angles.
D) A higher temperature black body peaks at a shorter wavelength than a
lower temperature blackbody.
E) All forms of radiation travel at the speed of light.
⩥ C. Answer: When you magnify an object with a telescope, what else
happens to your view of the sky?
A) Your field of view gets larger, so you can see a larger area of sky.
B) Your field of view gets distorted, similar to the effect of a fish eye
lens.
C) Your field of view gets smaller, so you can only see a small area of
sky.
D) All the objects in the field of view will appear closer to each other.
E) The objects change color and appear redder.
⩥ C. Answer: How long would one need to observe a star on a 10 meter
telescope to collect the same amount of light as one collects in one hour
on a 5 meter telescope?
A) 2.5 hours
B) 1 hour
C) 15 minutes
GUIDE QUESTIONS AND ANSWERS
100% ACCURATE
⩥ A. Answer: How many constellations ARE NOT Zodiac
constellations?
A) 75 or 76
B) none, all constellations are Zodiac constellations
C) 44
D) 12 or 13
E) 88
⩥ E. Answer: What happens when the electrons in atoms of a particular
chemical element jump from higher to lower energy levels?
A) protons in the atoms jump from lower to higher energy levels to
compensate
B) photons are absorbed by the atoms at those particular energies
C) dark lines appear in the spectrum at particular energy levels
D) a continuous spectrum is produced
E) bright lines appear in the spectrum at particular energy levels
⩥ D. Answer: Compare the frequency and wavelength of a gamma ray
with that of visible light:
,A) gamma ray frequency and wavelength is the same as visible light
B) gamma ray frequency is lower and its wavelength is lower
C) gamma ray frequency is lower and its wavelength is higher
D) gamma ray frequency is higher and its wavelength is lower
E) gamma ray frequency is higher and its wavelength is higher
⩥ D. Answer: How much more light does a 9 meter telescope collect
than a 3 meter telescope?
A) 3 times more
B) 36 times more
C) 27 times more
D) 9 times more
E) 81 times more
⩥ B. Answer: Which would have the shortest day and the longest year?
A) The rotation speed of a planet and its orbital speed around the Sun
have nothing to do with the length of its days or years.
B) A planet that rotates rapidly on its axis and orbits slowly around the
Sun.
C) A planet that rotates slowly on its axis and orbits rapidly around the
Sun.
D) A planet that rotates slowly on its axis and orbits slowly around the
Sun.
,E) A planet that rotates rapidly on its axis and orbits rapidly around the
Sun.
⩥ A. Answer: Consider a planet whose rotation axis is NOT tilted with
respect to its orbital plane. What are the seasons like on this planet?
A) there are no seasons.
B) Reversed from those on Earth (winter, fall, summer, spring).
C) longer than those on Earth.
D) shorter than those on Earth.
E) the same as those on Earth.
⩥ A. Answer: At what time will the Moon set on the day of a Solar
eclipse?
A) Sunset
B) It will not set at all. It will be up for 24 hours.
C) Sunrise
D) Noon
E) Midnight
⩥ A. Answer: Which of the following is FALSE?
A) Room temperature is about 30000 degrees Kelvin, which is in the
ultraviolet part of the spectrum.
, B) The Sun is 5800 degrees Kelvin and its spectrum peaks in the visible
light region (around green-yellow).
C) A prism splits light into different colors by bending different
wavelengths by different angles.
D) A higher temperature black body peaks at a shorter wavelength than a
lower temperature blackbody.
E) All forms of radiation travel at the speed of light.
⩥ C. Answer: When you magnify an object with a telescope, what else
happens to your view of the sky?
A) Your field of view gets larger, so you can see a larger area of sky.
B) Your field of view gets distorted, similar to the effect of a fish eye
lens.
C) Your field of view gets smaller, so you can only see a small area of
sky.
D) All the objects in the field of view will appear closer to each other.
E) The objects change color and appear redder.
⩥ C. Answer: How long would one need to observe a star on a 10 meter
telescope to collect the same amount of light as one collects in one hour
on a 5 meter telescope?
A) 2.5 hours
B) 1 hour
C) 15 minutes
