diff --git a/sound.md b/sound.md index d41f641..4434d2f 100644 --- a/sound.md +++ b/sound.md @@ -9,14 +9,14 @@ The movement of the disturbance through a medium due to repeated periodic motion i. Mechanical Wave
- MECHANICAL WAVE - *Periodic* disturbance which *requires material medium* (i.e. solid, liquid or gas) *for its propagation*. + Mechanical Wave - *Periodic* disturbance which *requires material medium* (i.e. solid, liquid or gas) *for its propagation*. These waves are characterized by the motion of the particles of a medium. These waves have well defined characteristics. ii. Electromagnetic Wave
- Electromagnetic waves are a type of wave that can travel through the vacuum of space + Type of wave that can travel through the vacuum of space i.e they *don't require a material medium for propagation*. They are created by the *vibration of electric charges* and consist of *oscillating electric and magnetic fields* that are *perpendicular* to each other and to the direction of the wave's travel.