Electromagnetic spectrum
Types of electromagnetic waves
The 7 types of electromagnetic waves are:
- Radio waves
- Microwaves
- Infrared waves
- Visible light
- Ultraviolet waves
- X-rays
- Gamma rays
Uses of electromagnetic waves
Each type of wave has different uses. Some examples:
- Radio waves
- Radio and television broadcasting
- Cell phone communication
- Microwaves
- Cooking food
- Radar systems
- Infrared waves
- Remote controls
- Thermal imaging
- Night vision
- Visible light
- Well, seeing things!
- Ultraviolet waves
- Sterilization
- Tanning beds
- X-rays
- Medical imaging
- Security scanners
- Gamma rays
- Cancer treatment
- Sterilization of medical equipment
Speed of electromagnetic waves
Electromagnetic waves travel at the speed of light - which
is about
This means that all EM waves, no matteer their wavelength / type, travel at the same speed in the same medium.
flashcards
| Question | Answer |
|---|---|
| Radio waves | Radio and television broadcasting, Cell phone communication |
| Microwaves | Cooking food, Radar systems |
| Infrared waves | Remote controls, Thermal imaging, Night vision |
| Visible light | Seeing things |
| Ultraviolet waves | Sterilization, Tanning beds |
| X-rays | Medical imaging, Security scanners |
| Gamma rays | Cancer treatment, Sterilization of medical equipment |
| What are the 7 types of electromagnetic waves? | Radio waves, Microwaves, Infrared waves, Visible light, Ultraviolet waves, X-rays, Gamma rays |
| What is the speed of all electromagnetic waves in a vacuum? | |
| Do different types of electromagnetic waves travel at different speeds in the same medium? | No, all EM waves travel at the same speed in the same medium. |