Question

what is VIBGYOR and name it

Answer 1

The seven colours of the spectrum of white light is denoted by the term 'VIBGYOR', in which 'V' stands for violet, 'I' for indigo, 'B' for blue, 'G' for green, 'Y' for yellow, 'O' for orange and 'R' for red.
The spectrum of light is connected with the phenomenon of dispersion of light.

Answer 2

VIBGYOR represents the first letter of the colors in a rainbow in order
V voilet
I indigo
B blue
G green
Y yellow
O orange
R red