Q: Light with the longest wavelengths is called what?


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

Light with the longest wavelengths is called infrared light . The term infrared means “below red. ” Infrared light is the range of light waves that have longer wavelengths and lower frequencies than red light in the visible range of light waves. The sun gives off infrared light as do flames and living things. You can’t see infrared light waves, but you can feel them as heat. But infrared cameras and night vision goggles can detect infrared light waves and convert them to visible images. For a deeper understanding of infrared light, watch the video at this URL: http://www. youtube. com/watch?v=2--0q0XlQJ0 .

 Choices:

- visible light

- X-rays

- UV light

- infrared light


A:
infrared light