why we are not able to see all the colours of rainbow
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may be it is because of sun light which make every thing else glare and that the reason, sunlight is the reason i think so
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The total number of colors that our eyes can see in a rainbow is 7. The colors are always seen in the same order. These colors are (in the order that we see them from top to bottom):
RedOrangeYellowGreenBlueIndigoViolet
Rods and Cones
When we walk into a dark room, have you ever noticed that it takes time for our eyes to adjust? How does that happen? This action is due to the presence of rods and cones at the back of our eyes. Rods are sensitive and respond only to the presence or absence of light, whereas cones are all about colors. We have three different types of cones – blue, red, and green.
When you look at a banana, your red and green cones fire up and allow you to see the yellow of the banana. Your cones activate depending on what color you see. The proper mixture of cones being fired up allows us to see those colors.
For some colors, one cone might fire up completely, while another only fires partially. When you see the color white, for instance, all three cones will respond.
RedOrangeYellowGreenBlueIndigoViolet
Rods and Cones
When we walk into a dark room, have you ever noticed that it takes time for our eyes to adjust? How does that happen? This action is due to the presence of rods and cones at the back of our eyes. Rods are sensitive and respond only to the presence or absence of light, whereas cones are all about colors. We have three different types of cones – blue, red, and green.
When you look at a banana, your red and green cones fire up and allow you to see the yellow of the banana. Your cones activate depending on what color you see. The proper mixture of cones being fired up allows us to see those colors.
For some colors, one cone might fire up completely, while another only fires partially. When you see the color white, for instance, all three cones will respond.
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