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PANCHAYAT UNION MIDDLE SCHOOL, VISWANATHAMSIVAKASI UNION,VIRUDHUNAGAR DISTRICT,TAMILNADU STATE, INDIA-626124.CELL NO 97510...
DispersionDispersion of White lightColoursColour Filters                      HomeMixing Colour or Spectral ColoursColour ...
The phenomenon by which a ray of light splits into itsconstituent colours when 00is passed through a                      ...
Sun        Sun light      Rainbow
Pigment is an optically active substance which may be synthetic or ofMineral animal or vegetable origin.
Pigment is sensation produced in the brain due to the excitation of retina, byColour is a an optically active substance wh...
Red                         Orange                         Yellow                         Green                         Bl...
The Primary colours are the                                          white light.Colours which when mixedin equal proporti...
The colours obtained by the mixing two primary colours are called  Secondary ColorsSecondary Colours    Cyan              ...
Pro    je   ctor                  Red + Green = YellowProjector                Yellow           r        ctoPr   oje
Red + Blue = Magenta               Magenta     ctor                       Projector                                       ...
Pro    je   ctor                Green + Blue = CyanProjector           r        ctoPr   oje                Cyan
The Secondary colours are obtained by projecting light of one colour on the otherand the rocess is known as colour mixing ...
Complementary Colours can be defined as pair of colours one primary and othersecondary colour, which on mixing forms white...
Yellow + Green = White               White     ctor                         Projector                                     ...
Pro    je   ctor                Green + Cyan = WhiteProjector           r        cto                      WhitePr   oje
Pro    je   ctor                Red + Cyan = WhiteProjector                           White           r        ctoPr   oje
Colour TrianglePrimary Colours                                               Secondary Colours      Red                   ...
The Rod shaped cells are sensitive to brightness of light. The Cone shaped cellsorRetina : The retina, the colours.of the ...
If you see the No 12. your vision is normal else not.
Look at this picture and click on the number you see.    a) 21        b) 24       c ) 74      d) No number
You have a red green Confusion.                          Next
You Don’t have a red green Confusion.                                Next
Look at this picture and click on the number you see.    a) 21        b) 24       c ) 74      d) No number
You have a colour deficiency .                           Next
You Don’t have a colour deficiency .                                  Next
ON                  ON                          ON     Switch on the light and then click on the appropriate colour       ...
ON          ON                         ON     Click on the appropriate colour
ON           ON                        ON     Click on the appropriate colour                                            N...
ON           ON                        ON     Click on the appropriate colour
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Dispersion

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Dispersion

  1. 1. PANCHAYAT UNION MIDDLE SCHOOL, VISWANATHAMSIVAKASI UNION,VIRUDHUNAGAR DISTRICT,TAMILNADU STATE, INDIA-626124.CELL NO 97510-45246. Exit
  2. 2. DispersionDispersion of White lightColoursColour Filters HomeMixing Colour or Spectral ColoursColour Blindness – An ActivityMixing of Colours – An ActivityNewtons’ Colour Disc PHYSICS
  3. 3. The phenomenon by which a ray of light splits into itsconstituent colours when 00is passed through a ittransparent medium is known as dispersion. Red Orange Range of Yellow Visible Green Spectrum Blue 0.4 microns to Indigo 0.7 microns Violet Spectrum is the band of colours obtained due to the dispersion of Light. Rainbow
  4. 4. Sun Sun light Rainbow
  5. 5. Pigment is an optically active substance which may be synthetic or ofMineral animal or vegetable origin.
  6. 6. Pigment is sensation produced in the brain due to the excitation of retina, byColour is a an optically active substance which may be synthetic or ofMineral animal or vegetable origin.electromagnetic waves.The range of wavelength of these waves is 4000Å to 8000ÅAngstrom (Å) : It is the unit used to measure wavelength of electromagneticradiation. 1 Å =10-10 m =10-8 cm
  7. 7. Red Orange Yellow Green Blue Indigo VioletPrimary Colours Red Blue Green
  8. 8. The Primary colours are the white light.Colours which when mixedin equal proportionsgive white light. ctor Projector r cto je oje Pro Pr
  9. 9. The colours obtained by the mixing two primary colours are called Secondary ColorsSecondary Colours Cyan Magenta Yellow
  10. 10. Pro je ctor Red + Green = YellowProjector Yellow r ctoPr oje
  11. 11. Red + Blue = Magenta Magenta ctor Projector r cto je oje Pro Pr
  12. 12. Pro je ctor Green + Blue = CyanProjector r ctoPr oje Cyan
  13. 13. The Secondary colours are obtained by projecting light of one colour on the otherand the rocess is known as colour mixing by addition. The colurs thus obtained arecalled additive colours Cyan Magenta Yellow
  14. 14. Complementary Colours can be defined as pair of colours one primary and othersecondary colour, which on mixing forms white light.Secondary Colours are known as subtractive primaries as they are obtained bysubtracting one of the primary colours from white light. White White White
  15. 15. Yellow + Green = White White ctor Projector r cto je oje Pro Pr
  16. 16. Pro je ctor Green + Cyan = WhiteProjector r cto WhitePr oje
  17. 17. Pro je ctor Red + Cyan = WhiteProjector White r ctoPr oje
  18. 18. Colour TrianglePrimary Colours Secondary Colours Red Magenta Green Yellow Blue Cyan Cyan The order of the colours is such that the sum of any two primary colours at the Corners gives the secondary colors between them. The sum of the primary colour on the vertex and the secondary colour on the side opposite to the vertex produces white light.
  19. 19. The Rod shaped cells are sensitive to brightness of light. The Cone shaped cellsorRetina : The retina, the colours.of the human eye, Consists ofsensitive andnumber cones are sensitive to screen There are red sensitive, blue a very largegreen sensitive cones. Colourare rod shaped cells and cone shaped cells.cones of light sensitive cells. They blind people have less number of particularthan people with normal vision. Hence they get colour confused. Retina Rod shaped Cells Cone shaped Cells
  20. 20. If you see the No 12. your vision is normal else not.
  21. 21. Look at this picture and click on the number you see. a) 21 b) 24 c ) 74 d) No number
  22. 22. You have a red green Confusion. Next
  23. 23. You Don’t have a red green Confusion. Next
  24. 24. Look at this picture and click on the number you see. a) 21 b) 24 c ) 74 d) No number
  25. 25. You have a colour deficiency . Next
  26. 26. You Don’t have a colour deficiency . Next
  27. 27. ON ON ON Switch on the light and then click on the appropriate colour Click the Correct colour
  28. 28. ON ON ON Click on the appropriate colour
  29. 29. ON ON ON Click on the appropriate colour Next
  30. 30. ON ON ON Click on the appropriate colour
  31. 31. HomeContinue
  32. 32. HomeContinue
  33. 33. Continue
  34. 34. HomeContinue

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