Name the seven colours of light. What is this phenomenon called?

A student observes the above phenomenon in the lab as a white light passes through a prism. Among many other colours, he observed the position of the two colours Red and Violet. What is the phenomenon called? What is the reason for the violet light to bend more than the red light?

(a) What does a stem (or shoot) do in response to gravity? What is this phenomenon known as? (b) What does a root do in response to light? What is this phenomenon known as?

What do you mean by dispersion of light ? What is a spectrum of light? Name the different colours of light in the proper sequence in the spectrum of white light. OR What do you mean by dispersion ? Name the different colours of light in the proper sequence in the spectrum of white light.

Name the different colours of light in the proper sequence in the spectrum of white light.

What is colour of light related to ?

Light waves projected on oil surface show seven colours due to the phenomenon of