Yes, all wavelengths of electromagnetic radiation can be considered different forms of light. Light itself is a subset of the electromagnetic spectrum, which encompasses a broad range of wavelengths. The electromagnetic spectrum includes various types of radiation, such as radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.
Visible light is the portion of the electromagnetic spectrum that humans can perceive with their eyes, and it spans a specific range of wavelengths from approximately 400 to 700 nanometers. However, other forms of electromagnetic radiation, which fall outside the visible light range, are still considered "light" in a broader sense. They may not be visible to the human eye, but they still exhibit wave-like properties and can interact with matter in various ways.
Each type of electromagnetic radiation has its own unique properties and interactions with matter. For example, radio waves are used for communication and can pass through walls and other obstacles easily. X-rays and gamma rays have higher energy and can penetrate matter more deeply, which makes them useful in medical imaging and radiation therapy.
So, while visible light is a specific range of wavelengths that we perceive as colors, all forms of electromagnetic radiation, including those outside the visible spectrum, can be considered different forms of light.