Answers

2016-02-06T21:46:35+05:30
We see the colours because of the rods cells.and the intensity due to the presence of cones cells. colour blindness means we cannot identify colours.
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2016-02-06T22:08:12+05:30
Our eyes contains rod cells.which are especially made for seeing bands of colours.when the light falls on our eyes our retina absorb that lights and generate electricity to our brain and we can see different colours.clour blindness is a suitation wbere we cannot identify colours.
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