The diagram shows white light passing through a prism.
Which description of what happens as the light passes into the prism is correct?
The speed of the red light is less than the speed of the violet light and the red light is the least refracted.
The speed of the red light is greater than the speed of the violet light and the red light is the least refracted.
The speed of the violet light is less than the speed of the red light and the violet light is the least refracted.
The speed of the violet light is greater than the speed of the red light and the violet light is the least refracted.