The electromagnetic spectrum consists of various types of radiation, each characterized by its wavelength and frequency.
State two physical similarities shared by radio waves, infrared radiation, and gamma rays.
Prolonged or intense exposure to infrared radiation and gamma rays can be hazardous to human health. State the primary physiological danger associated with exposure to each of these two types of radiation.
Within the visible light spectrum, different colours correspond to different wavelengths. Which colour of visible light has the longest wavelength?