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Red , yellow and green
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∙ 12y ago
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How does an ultrasound allow us to see inside the womb?
It bounces sound waves into the womb. The sound waves are then bounced back again and the image that they produce by bouncing around the fetus is relayed and shown on a computer screen. As they sound waves can only bounce around objects they cannot creat colours hence it is in black and white.
Why is the light unable to reach the screen?
Explain why the light is unable to reach the screen
Why the cinema screen is concave position?
The screen is curved to correct the focus at the edges. With a large screen, the distance to the edges from the centre is enough to affect the focus from the projector.
How is light reflected off of a concave mirror?
The way light is reflected is different in a concave mirror depending on the position and distance from the object. when light hits the concave mirror when it is near the object, the rays are scattered and it forms a virtual image, i.e it does not come on the screen. the image will be erect and higly magnified. When it is taken further from the object, the image becomes inverted and real, i.e it can be seen on a screen, and will still be magnified.
When was the first projection screen invented?
1655
How can yellow be produced on a screen if only red and green light are available?
Red light plus green light equals yellow light. This is why you get yellow on a screen. Light colours mixed give you different colours to paint colours. Light Primary colours are red, blue and green but Paint Primary colours are red, blue and yellow.
What are thee 3 primary colors?
The free primary colours used in the pigments that artists use, are red, yellow and blue. On a television, the colours are red, blue and green, known as RGB colours, from which the colours seen on a TV screen is made up from.
Why are only 3 colors necessary on a TV screen?
the three colours are red blue and green. these are the only three colours used because they are the primary colours and if you mix them you can get a whole range of coulours. [=
What word does not belong green yellow red or blue?
Yellow does not belong. Green, red and blue are primary colours that form the RGB colour model from which all other colours can be created on a screen.
Is blue a primary color?
Yesboth cyan, magenta and yellow (paint etc) AND reb, green, blue (think about the colours used on screen) are sets of primary colours - how is this possible?The two sets of colours are used in very different ways:the first set are printed colours - paint, ink etc and they SUBTRACT from the light to create the colour. The colour starts off white and once all primary colours are combined you have black.However, red green blue are used for displays (computer monitors, tv screens etc) and they are ADDING light to achieve the colour. The colour starts off black and by adding all these primary colours you have an end result of white.The "additive primaries" in paint are red, blue and yellow--the additive primaries in light are red, green and blue. Subtractive primaries are cyan, magenta and yellow.
Why is roblox making your screen go different colours?
Hey Its Your Computer Being Watched Bye Super Ninja Elephants
What is the meaning of tab colors in Excel?
The tabs for the different sheets in a workbook, which are at the bottom of the screen, can be given different colours. If you right click on a tab you can change the colour.
How are these colors used to produce the millions of colors seen on screen?
A See Through clear black screen somehow has the colour pigments of red yellow and green. The Screen themselves are made of some kind of focil fuel. but any any case if you use any black type substance is will have colours naturally inside them. The Strange thing is, its the colours that create the black screen, the screen itsleft is not black, but it is made of all the colour pigments. Then all you have to do is activate the colours of the screen by allowing Different electrical signals into them, the best way that works is through a Plasma Type Liquid which is held inside a second white screen. The Colours are at the front of the tv which make up the black or gray image, and the main white screen sends different signals of white light to the colours. Its also not to difficult if the information in the signal is compressed and the with some type of lense the like the Plasma liquid. The Plasma liquid slows down the electrical signals and redistributes the Electrical signals to the Colours if the Gray black screen. So the Plasma liquid captures Compressed electrical signals and they spread through the area of the plasma liquid at all angles, so potentialy you can have any shaped tv you want with a Plasma Screen, Because the Electrical signals Redistribute to all angles of the screen, Its The Central Part of the Plasma Screen That has The Perfect recorded Signal as Electricitc Works Best when Traveling In Straight Lines.
Which two colours are used to produce a magenta on the screen?
blue and red = magneta also, green + red = yellow green + blue = cyan green + red + blue = white
What three colours are used to build all colours on a colour monitor screen?
Red Green Blue
What are the primary colours of light?
This Q&A is about light colours. Paint colours are substances, and different from light colours.If you hold up a glass prism to a beam of sunlight, you'll see the light form a rainbow of colours. This is called the spectrum. It consists of all the colours that make up "white" light.Although you might be able to see seven colours in the spectrum, the white light is really made up of three basic colours. These are called the primary colours because they cannot be made from any other colours. The primary colours of light are red-orange, green, and violet blue. The other colours you see in spectrums or rainbows are made by a mixture of the primary colours.When the naked eye looks at the spectrum, it can see three mixed colours, which are called secondary colours. The secondary colours in light are green-blue, yellow, and magenta-red. You can produce these colours by mixing the primary colours in certain combinations.
What are the noticeable effects of green screen?
Green screen is used within the entertainment industry, the 'green screen' is used to create a different environment of the background. The colour green is used as it differs greatly in contrast to our human colours, making for accurate changes in the background.
