What is meant by spectrum of white light?
Kindly refer to the link given below to get your answer :
https://www.meritnation.com/ask-answer/question/what-is-meant-by-spectrum-of-white-light-how-can-we-combine/human-eye-and-colourful-world/1651740
https://www.meritnation.com/ask-answer/question/what-is-meant-by-spectrum-of-white-light-how-can-we-combine/human-eye-and-colourful-world/1651740