Question

A netwon's disc can be created by painting a disc with the 7seven different colours violet ,indigo ,blue ,green, yellow, orange and red. when the disc is rotated at a high speed it appear white in colour. why?


please give me fast it is urgent!!​

Answer 1

Newton's colour disc is a disc on which seven component colours of white light are painted. As it is rotated at high speed, it appears white suggesting the white light comprises of seven colours.

Answer 2

Diamond is bad of electricity because carbon combined all four electron and there is no free electron ..