Question

describe an activity to show the spectrum obtain by white light glass prism can be combined to get the white light by another identical glass prism. also draw Ray diagram to show the recombination of spectrum of white light. plz answer give carefully and also draw diagram..... it's very urgent.... ✌​

Answer 1

Answer:

When a Glass Prism is used to obtain spectrum of sunlight, a second identical prism in an inverted position is kept with respect to first prism. The Inverted second prism will allow all colours of the spectrum to recombine. Thus a Beam of light will emerge from other side of the second prism