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What could you perceive if you only had one type of photo receptor Brightness colour both or neither?
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What color is a piece of cake?
What ever colour you perceive the piece of cake to be.
What are the two variables that incorporated in the Hertzsprung Russell diagram?
Essentially it's 'brightness' on the vertical scale and colour on the horizontal scale. The brightness can be expressed as luminosity, compared with our suns luminosity, or as absolute magnitude. The colour can also be expressed in terms of temperature, the colour shows what the temperature is. The colour can be categorised in to groups or spectral classes.
What is the name of the area of receptor cells in the back of the eye?
This area is called the retina. It consists of different sets of receptor cells that are specialized in their function to aid in the perception of light and colour.
What are four perceptual constancies?
The 4 perceptual constancies are size, colour, brightness and shape! :)
Which type of cells lack in a person who is colour blind?
certain types of color receptor cells, called cones.
Which colour is better red or green?
Neither is better.
What colour is better pink or red?
Neither is better.
Whats the brightness or dullness of a hue?
Hue is another word for shade of colour.The brightness or dullness refers to how bright or dark a colour is - deep red or light red, for example.However, there is another use for the words hue and brightness, particularly n reagrds to computers.Just as all colours can be defined by the amount of Red, Green and Blue they contain - a colour's RGB value) so too can all colours be defined by their Hue, Saturation and Brightness values - their HSB value.Another word is intensity.
What is the best color highlighter?
That is a matter of personal preference as some people would perceive certain colours differently and a colour that one person sees easily may not neccesarily be as easy to perceive for another person.
What color absorb the most heat and why?
The colour Black absorbs the most heat. Black is not a colour in the visible spectrum but is instead the colour you perceive where there is no light. Since no light is reflected, it is all being absorbed, therefore resulting in heating.
What term describes the brightness or dullness of a color?
To Simply Convert The Shade To A More Lighter Tone.
How are eyesight and light related?
Our eyes are our sense organ for detecting light. Their colour range is somewhat limited, being about one half of an octave. When we say we 'see something', or 'are looking at something', in reality we are merely receiving light from that object. We use separate sensors for brightness, and for colour. For colour we have three different colour sensors, which overlap in their bandwidth. Thus we perceive a broad range of colour. In dim light, our colour sensors are not active. Your eyes are an extension of your brain (whose whole surface is light sensitive), and each eye sends part of its output to both hemispheres of the brain. Many herbivores and carnivores have little use for colour, and waste no brain power on it. Some insects and butterflies can see a much wider range of colours that humans do.
