waves
The Law of Refraction says __________________
the angle of incidence and the angle of reflection are equal
What is the difference between a sound wave coming incontact with an open door way and a closed door
It will diffract around and through an open doorway, it will be absorbed by a closed door.
This is what electromagnetic waves can travel through.
What is a vacuum? nothing/ empty space
When two waves collide they will either produce a ____________ or __________ wave
constructive or destructive