Question

How many colours are there in the colour white?

Answer 1

there are 7 colours in white light they are 
 
 violet
indigo
blue
green
yellow
orange
red

Answer 2

hello friend here is your answer ,

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There are in total 7 color in color white , these are
Violet

Indigo

Blue

Green

Yellow

Orange

Red

all these colors merge to form white ,

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hope my answer helped you ,