Question

put the waves in order, from longest to shortest. longest 1 microwave 2 x - ray 3 radio 4 visible 5 gamma ray 6 infrared 7 ultraviolet shortest

Explanation:

In the electromagnetic spectrum, radio waves have the longest wavelength and gamma - rays have the shortest. Wavelengths decrease in the order: radio, microwave, infrared, visible light, ultraviolet, X - ray, gamma - ray.

Answer:

1. Radio
2. Microwave
3. Infrared
4. Visible
5. Ultraviolet
6. X - ray
7. Gamma ray