ASTRO 7N EXAM 2 UPDATED ACTUAL
QUESTIONS WITH CORRECT ANSWERS
◉ Which of the following do several contributors in your reading
articles suggest is a good model of an intelligent "alien" species
already living on Earth. Answer: octopus
◉ What are the three primary colors of light, and what happens
when they are combined. Answer: Red, green, and blue are the
primary colors and they can be combined in different proportions to
make any color of light that is visible to the eye.
◉ Which of the following statements is false?
-The Hubble Space Telescope can detect ultraviolet light.
-Red glass allows only the red light to pass through.
-Filters are used by the Hubble Space Telescope to record light at
certain wavelengths, block out light outside of a certain range.
-Hubble Space Telescope images are black and white when they are
obtained.
,-Green glass allows all colors of light but the green light to get
through.. Answer: Green glass allows all colors of light but the green
light to get through.
◉ When red, green, and blue light are combined in equal
proportions the result is?. Answer: White light
◉ Light of different colors is emitted from different stars because ....
Answer: The stars have different temperatures, with redder stars
being cooler than bluer stars.
◉ The degree of purity of a color (with 0% being black) is called its
.... Answer: Saturation
◉ If the hue of red light is 0 degrees, then the hue of green light
would be .... Answer: 120 degrees because it is separated by that
many degrees on the color wheel
◉ In subtractive color mixing, like with ink on paper, when all three
primary colors are combined the result is .... Answer: black or a dark
color
◉ What kind of cells in the human eye perceive color?. Answer:
cones (rods are sensitive to low amounts of light)
, ◉ What secondary color is made by mixing red and green in the
"RGB" additive-color scheme for light?. Answer: Yellow
◉ What is the name for colors opposite each other (180 degrees
apart) on the color wheel?. Answer: Complimentary colors
◉ What is the general result of the proton-proton chain?. Answer:
4H= He + energy+ other products
◉ The corona of the Sun.... Answer: is visible during a solar eclipse
◉ In the convective zone of the Sun.... Answer: columns of hot gas
rise, cool, and descend
◉ What part of the Sun do we typically see?. Answer: photosphere
◉ In nuclear fusion, energy is produced because.... Answer: the mass
of the reacting chemicals is larger than that of the products
◉ When using different points in the Earth's orbit as a baseline for a
parallax experiment it is best to do the observations how far apart?.
Answer: 6 months
QUESTIONS WITH CORRECT ANSWERS
◉ Which of the following do several contributors in your reading
articles suggest is a good model of an intelligent "alien" species
already living on Earth. Answer: octopus
◉ What are the three primary colors of light, and what happens
when they are combined. Answer: Red, green, and blue are the
primary colors and they can be combined in different proportions to
make any color of light that is visible to the eye.
◉ Which of the following statements is false?
-The Hubble Space Telescope can detect ultraviolet light.
-Red glass allows only the red light to pass through.
-Filters are used by the Hubble Space Telescope to record light at
certain wavelengths, block out light outside of a certain range.
-Hubble Space Telescope images are black and white when they are
obtained.
,-Green glass allows all colors of light but the green light to get
through.. Answer: Green glass allows all colors of light but the green
light to get through.
◉ When red, green, and blue light are combined in equal
proportions the result is?. Answer: White light
◉ Light of different colors is emitted from different stars because ....
Answer: The stars have different temperatures, with redder stars
being cooler than bluer stars.
◉ The degree of purity of a color (with 0% being black) is called its
.... Answer: Saturation
◉ If the hue of red light is 0 degrees, then the hue of green light
would be .... Answer: 120 degrees because it is separated by that
many degrees on the color wheel
◉ In subtractive color mixing, like with ink on paper, when all three
primary colors are combined the result is .... Answer: black or a dark
color
◉ What kind of cells in the human eye perceive color?. Answer:
cones (rods are sensitive to low amounts of light)
, ◉ What secondary color is made by mixing red and green in the
"RGB" additive-color scheme for light?. Answer: Yellow
◉ What is the name for colors opposite each other (180 degrees
apart) on the color wheel?. Answer: Complimentary colors
◉ What is the general result of the proton-proton chain?. Answer:
4H= He + energy+ other products
◉ The corona of the Sun.... Answer: is visible during a solar eclipse
◉ In the convective zone of the Sun.... Answer: columns of hot gas
rise, cool, and descend
◉ What part of the Sun do we typically see?. Answer: photosphere
◉ In nuclear fusion, energy is produced because.... Answer: the mass
of the reacting chemicals is larger than that of the products
◉ When using different points in the Earth's orbit as a baseline for a
parallax experiment it is best to do the observations how far apart?.
Answer: 6 months
