1. Waves that don’t need medium to travel or go thru Ex:radio,tv.
electromagnetic
Waves that don’t need medium to travel or go thru
Ex:radio,tv.

2. Mechanical
Waves that need medium to travel and go thru ex: chair, desk

3. ultrasound
Ultrasound waves are based on echo sounds and really high pitch. Ex: use on pregnant women to see sex or how is the baby developing.

4. sonar
Sonar waves are used to detect underwater objects or targets that are been looking for and also in other cases as well.

5. Infrared
Infrared waves are used to see in night time or to see other kinds of things in darkness ex: see thru,walls

6. ultraviolet
Ultraviolet waves are invisible to the human eyes but they are shorter wavelength. Ex:bumblebees,bats

7. Radio
Radio waves are used as in to communicate. Ex:phones,satilite

8. Mechanical waves
Mechanical waves need to have medium to travel and to go thru items. Ex: chair,desk

9. by: Juan Carlos bujanda
Google/sonarwaves.com
Google/mechanicalwaves.com
Google/radiowaves.com
Google/ultrasoundwaves.com
Google/infraredwaves.com
google/Elctromagentic.com
by: Juan Carlos bujanda