Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Input: Passage: Figure 8.12 The colors of visible light do not carry the same amount of energy. Violet has the shortest wavelength and therefore carries the most energy, whereas red has the longest wavelength and carries the least amount of energy. (credit: modification of work by NASA). Answer: visible
Output:
Violet and red are two types of what kind of light?