Question

When two prism, one up and one down in contact receive white light. What is the colour of light that will emerge out?​

Answer 1

Answer:

when two prisms,one up and one down in contact,receives white light ,what colour of light will emerge out? White light will emerge. As the first prism will cause dispersion of light and the second prism will receive all the seven coloured rays and recombines them into original white light.