Physics Light

Description

Light
Tom Rodricks
Mind Map by Tom Rodricks, updated more than 1 year ago
Tom Rodricks
Created by Tom Rodricks over 7 years ago
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Resource summary

Physics Light
  1. Dispersion
    1. Light from the sun looks
      1. White
        1. But really its all the colours of the spectrum
          1. We only see
            1. White
              1. Because the light is travaling way too FAST
                1. And Thats where this comes in
                    1. The Light goes through the prism and slows down
                      1. This Is called...
                        1. DISPERSION
    2. Refraction
      1. And no, all you minecraft nerds its not this guy..
          1. When a light enters a prism it sort of changes direction
            1. because it slows down
      2. Filters
        1. As you (should) already know the suns light is all the colours of the spectrum
          1. But when it goes through a filter
            1. the filter blocks out a lot of colours
              1. But it keeps one or two
                1. and thats why through a red filter
                  1. you can only see red
                    1. ALSO
                      1. if you put two filters together you can SOMETIMES see black
                        1. Thats when the two filters let in different colours
                          1. e.g if you had a
                            1. Blue Filter
                              1. and a
                                1. Red filter
                                  1. you could only see
                                    1. Black
                                      1. because blue blocks out red light
                                        1. and red blocks out blue light
                                          1. but if say it was
                                            1. a green filter
                                              1. and a yellow filter
                                                1. you would be able to see yellow
                                                  1. because
                                                    1. green filters let through yellow and green
                                                      1. and yellow filters let yellow light through
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