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The Physics of Color
What makes the colors of the objects around us? What is the connection between light and colors? How do our eyes perceive colors? How does our brain process them? Check your knowledge of the astonishing physics of colors!
Different colors derive form the different wavelengths of the spectrum of light. What part of it do we call "visible light", i.e. we can perceive with our eyes?
0 - 500 nm
700 - 900 nm
380 - 740 nm
1000 + nm
What is the science of colors called?
When a wave of light with a wavelength of approximately 700 nm hits your eyes, it causes sensation of what color?
It will cause no sensation
Which is the color from the visible spectrum produced by waves of the smallest wavelength?
If an object scatters light in all wavelengths, what color does it appear to be?
What objects do we call translucent?
Objects that transmit light but do not scatter it
Objects that reflect all light specularly (i.e. in the manner of a mirror)
Objects that transmit light and scatter it
Objects that absorb all wavelengths
Chemiluminescence is a phenomenon involving which of the following processes?
What component of the human eye is responsible for the perception of light of different wavelengths, which results into color vision?
None of these
It has been calculated that human beings can distinguish this many different colors.
Compared to men, women are much more likely to fall into this group in regards to their color vision.
Synesthesia is a special condition of the brain which is characterized by which of the following unusual events?
Seeing colors generated by the brain not based on reality
Seeing colors when in stress
Seeing colors when sleeping
Seeing colors when listening to music or reading letters/numbers
For a few seconds after exposure to strong light we continue to see the shape of the light source even after we don't look at it any more. What are these fleeting images in our brain called?
According to the color theory what should red paint look viewed under blue light?
Which of the following colors cannot be a pure spectral color?
Which of the following colors is an example of a Tyndall effect color?
The red of the red apple
The color of the human skin
All of these
The blue of the human iris
In most computer monitors which of these colors is not accomplished by simply emitting in the respective wavelength?
What important work connected to color theory did the international group of experts known as the Commission Internationale de l'eclairage (CIE) create in 1931?
Developed the color model of the universe
Developed a mathematical model of color
Defined the primary, secondary, and tertiary colors
Mapped the frequency of basic colors in the spectrum
What two main characteristics measure the properties of light in the human visible range?
Wavelength and speed
Wavelength and frequency
Frequency and intensity
Speed and intensity
Which of the statements about the spectral colors and light sensation in humans is true?
There are more possible color sensations in the human brain than spectral combinations.
In order to cause a sensation of a certain color the light should be emitted only in this color.
Spectral light causes equivalent color sensations in most mammal species.
There are more possible spectral combinations than color sensations in the human brain.
Which species has the most complex color vision system in the animal kingdom?
Honey- and bumblebees
(will not interfere with your quiz)
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