Which of the arrangements of radiations below shows decreasing order of wavelengths?
- X-rays> radio waves > infrared radiations
-
Radio waves> infrared radiations > X-rays
- Infrared radiations > radio waves > X-rays
- X-rays> infrared radiations > radio waves
The correct answer is: B
Explanation
radio waves have a longer wavelength than infrared light, and infrared than x-rays in the electromagnetic spectrum.