Question

8. What do you understand by spectrum? How is a spectrum produced in the
laboratory? How can you recombine the components of white light after a
prism has separated them?​

Answer 1

Answer:

Answer. (I) When a beam of white light is passed through a glass prism, a band of seven colours is formed on a white screen. ... (1) Newton showed that the seven coloured lights of the spectrum can be recombined to give back white light. (2) First he tried to split the colours of the spectrum of white light using a prism.

Hope it helps uhh

Explanation:

Answer 2

Answer:

The coloured pattern VIBGYOR formed by a prism by splitting the incident white light is called a spectrum. By having two prisms, inverted to each other, one can recombine the light to get white light again