Q

What is the splitting of white light into seven colours through a glass prism called?

RRB Technicians Grade-III; RRB ALP; RRB Group-D 24/12/2024 / Shift-I; 28/11/2024 / Shift-III; 23/08/2022 / Shift-II 2024; 2022
✓ Answer: C Dispersion
Dispersion occurs because the refractive index varies with wavelength, separating the colours.