Welcome to the fourth discussion on the ‘Colours!‘. The topic is getting so exciting and I am very much enjoying it. I am sure you are enjoying the series too, aren’t you?
Before going ahead, let’s take a quick recap of the first three posts we talked earlier. In the first post, we talked about our relative sensory system, due to which we can see. In the second post we discussed how we ‘see’. How the light emitted from the source gets converted into a brain signal. And further in the third post we met Mr. Light, talked how the ‘Electro-Magnetic Radiations’ of different wavelengths are ‘seen’ as different colours to us. Now today, we will be taking the topic ahead.
So we now know that, our eyes has three types of ‘Cone’ cells that works as receptors of three wavelength rays. These three wavelengths are seen as ‘Red‘, ‘Green‘, and ‘Blueish‘ in colour. In our eye retina, the count of such cones is about 2,50,000. Continue reading