Question

Is the colour of 620 nm light and 780 nm light same? Is the colour of 620 nm light and 621 nm light same? How many colours are there in white light?

Answer 1

Explanation:

heelo this is very difficult sum is very difficult what is your name my name is jayin arora

Answer 2

Spectrum of white light consists of sever colour bands. Each band consists of some range of wavelengths or frequencies. So, the colour of 620 nm and 780 nm lights may be different. But the colour of 620 nm light and 621 nm light is same.