Final answer:
Shorter wavelengths have higher energy, while longer wavelengths have lower energy in electromagnetic radiation.
Step-by-step explanation:
The wavelength of electromagnetic radiation determines its energy level. In general, shorter wavelengths have higher energy, while longer wavelengths have lower energy. For example, blue light has a shorter wavelength and higher energy compared to red light. Similarly, yellow light has a higher frequency and thus, higher energy than blue light. And green light has a smaller energy compared to red light.