A beam of white light passes into a prism, as illustrated. Which row is correct?
- Adispersion only; frequency of red light compared with frequency of blue light: smaller
- Brefraction only; frequency of red light compared with frequency of blue light: greater
- Cdispersion and refraction; frequency of red light compared with frequency of blue light: smaller
- Ddispersion and refraction; frequency of red light compared with frequency of blue light: greater