Q: What type of light has shorter wavelengths than visible light and has enough energy to kill bacteria?


Read this paragraph and choose the correct option from the provided answers:

Mid-wavelength electromagnetic waves are called light. Light consists of visible, infrared, and ultraviolet light. Humans can see only visible light. Infrared light has longer wavelengths than visible light and is perceived as warmth. Ultraviolet light has shorter wavelengths than visible light and has enough energy to kill bacteria. It can also harm the skin.

 Choices:

- luminescence

- infrared

- reflected light

- ultraviolet


A:
ultraviolet