Question

how many colours are there in the world​

Answer 1

Answer:

There Are Total 7 colours in world . Because the colours we see are a mixture of them .

Answer 2

Answer:

They have shown that we can see about 1000 levels of light-dark, 100 levels of red-green, and 100 levels of yellow-blue for a single viewing condition in a laboratory. This means that the total number of colors we can see is about 1000 x 100 x 100 = 10,000,000 (10 million).

Explanation:

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