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Physics
9th -
12thgrade
Color Addition and Subtraction and Basics of Light
21 questions
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- 1. Multiple Choice
The colors orange, violet, and indigo belong to which of the following groups?
The visible light spectrum
Primary colors of light
Secondary colors of light
None of the above
- 2. Fill in the Blank
_ occurs when two different frequencies of light occupy the same space and produce a different or more intense color of light.
- 3. Multiple Choice
Which of the following is NOT a primary color of light?
Red
Blue
Yellow
Green
- 4. Multiple Choice
Which of the following does NOT describe a light wave?
Electromagnetic Radiation
A stream of particles
A mechanical wave
A form of energy
- 5. Fill in the Blank
The _ spectrum contains radio waves, microwaves, ultraviolet light, and gamma rays. (the full word, not abbreviated)
- 6. Multiple Choice
Which of the following forms of EM waves have a HIGHER frequency than visible light? (select all that apply)
microwaves
gamma rays
ultraviolet rays
infrared light
radio waves
- 7. Multiple Choice
Which of the following frequencies of light has longest wavelength?
red
green
blue
yellow
violet
- 8. Multiple Choice
Which of the following carries the highest amount of energy?
X-rays
UV-rays
radio waves
microwaves
blue light
- 9. Fill in the Blank
_ light is the result of blue, red, and green light being added together.
- 10. Multiple Choice
When a blue and red spotlight are shined on actor wearing white ghost costume, what color does the audience see?
cyan
magenta
yellow
violet
green
- 11. Multiple Choice
White light is shined through a magenta filter. Which of the following will be BLOCKED by the filter? (choose all that apply)
Red
Blue
Green
Magenta
- 12. Multiple Choice
White light is shined through a blue filter. Which of the following will be BLOCKED by the filter? (choose all that apply)
Red
Blue
Green
Cyan
Magenta
- 13. Multiple Choice
A white light is shined through a cyan filter, and then a magenta filter. What color will appear?
blue
green
red
black
- 14. Multiple Choice
A white light is shined through a cyan filter, and then a yellow filter. What color will appear?
blue
green
red
black
- 15. Multiple Choice
A white light is shined through a blue filter, and then a yellow filter. What color will appear?
blue
green
red
black
- 16. Multiple Choice
A magenta light and a green light are shined in the same space. What color will they form?
Red
Cyan
Yellow
Blue
White
- 17. Multiple Choice
Which of the following filters could be used together to block out all light?
Blue
Magenta
Red
- 18. Multiple Choice
A white light shined through a red filter is shined toward a blank space. If a green light is also shined on that space, what color will result?
yellow
magenta
cyan
red
green
- 19. Multiple Choice
Which two filters could be combined to make a white light appear red?
blue
cyan
magenta
yellow
green
- 20. Multiple Choice
A white light is shined through magenta and green filters on a spot, and then a blue light is also shined on the spot. What color will appear at the spot?
blue
red
green
cyan
magenta
- 21. Multiple Choice
Which of the following describes how we see an object outdoors?
Light goes from our eyes, then bounces off an object, and reaches the sun
Light goes from the sun, into our eyes, and then onto an object
Light comes from the sun, bounces off an object, and then into our eyes
Light travels from an object to the sun, and then into our eyes
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