Question

they band of coours produced when white lights is split up..​

Answer 1

Answer:

The band is called spectrum .

And the process is Dispersion

Answer 2

Answer:

Refraction

Definition:

Refraction occurs when a beam of light passes through a glass prism, the beam of light( which appears to be white in colour) passes through the prism and shows all the colours of rainbow.

Hope this helps you!!

Mark as the BRAINLIEST ANSWER.

Thanks✌️✌️