How is Colour Formed Take a CD (compact disc) out in the sun and see how light is reflected from its shining surface. What do you see? Many colours. These colours actually come from the sunlight.White light is composed of many colours. When these colours combine, they look white. One way of showing that white light is composed of different colours is to make white light … [Read more...] about How is Colour Formed
colours
What is Newton’s Disc
What is Newton's Disc Newton’s disc is a coloured disc which is painted with the colours of white light [i.e., violet, indigo, blue, green, yellow, orange, and red (VIBGYOR)] in equal proportions so that when it is rotated very fast, the disc appears white. This is because of a property of our eyes called persistence of vision. This means that an image formed by the eye … [Read more...] about What is Newton’s Disc