A beam of white light falls on a glass prism. X and Y are the two ends of the visible spectrum. Which statement is correct?
- AAll the light travels at the same speed in the prism.
- BThe light at X has a lower frequency than the light at Y.
- CThe light at X refracts more as it leaves the prism than the light at Y.
- DThe white light refracts away from the normal as it enters the prism.