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white light

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rojin torabi

on 24 May 2011

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Transcript of white light

What is white light ? How is it made ? White light is made when all of the colours within the visible spectrum are combined together. The colours in the visible spectrum are Red, Orange, Yellow, Green, Blue, Indigo and Violet White light can be split into the visible spectrum up by passing the light through a prism. can we split white light ? When different colours of light are added or mixed new colours are produced. The primary of light are Red, Blue and Green. Addition of light -colour of objects through filters - the colour of the filter which we use to view an object affects the colour of that object . e.g when viewing an object through a red filter , red light is transmitted, where as all other colours are absorbed. *Filters* if you look through one filter , the colour of the filter is transmitted, but.................. but when looking through 2 filters , no light is transmitted and the colour appears black to the eye . the filter seems black . last but not least , 3D glasses . when viewing a 3D movie , we view it through blue
and red filters . 3D images or movies are made by presenting two offset images separately to the left and right eye of the viewer. Both of these 2-D offset images are then combined in the brain to give the perception of 3-D depth. thats just a basic view on the properties of white light . Thank you -conclusion-

- white light is made up from different colours .

- colours red , orange ,yellow , blue , green , violet & indigo

- white light can be spilt.

- when colours mixed , new colours are produced .

- the colour filter in which we view an item , impacts on the colour of the item .

- 2 filters put on each other appear black to the eye .

-3D images are made with two 2D photos put on each other.
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