A prism disperses white light, forming a spectrum. Which of the following is the best explanation for this phenomenon?

O Different frequencies of visible light are absorbed at different rates inside the prism.
• The white light undergoes partial absorption inside the prism.
O The white light undergoes partial reflection inside the prism.
• Different frequencies of visible light move at different speeds in the prism.

• Different frequencies of visible light move at different speeds in the prism.