When a light beam falls on a triangular glass prism, a band of colours is obtained. Which one of the following statements is correct in this regard ?

A glass prism splits white light into different colours. This phenomenon is called dispersion of light by prism. Which one of the following statements is correct ?

Which one of the following statements is correct regarding the travel of a light beam from a rare to a dense medium?

In the dispersion of white light by a common glass prism, which one among the following is correct?

Which one of the following colours of white light is least deviated by the glass prism?

Which one of the following statements is not correct for light rays ?