yes your a medium
You might be able to tell if you are a medium by studing with someone who is actually a medium. He or she can help you to discover and refine your talents. As a medium, you might know something will happen before it happens or believe that you can sense spirits and have random visions. These visions might not make sense to you until you are educated as a medium.
the medium will get vibrate.
speed
The light reflects or refracts on hitting the medium.
It slows and bends.
a medium carnivore is something like a dog.
An acoustic medium is something that vibrates and resonates to create a pitch.
The particles of the medium will gain some energy. The exact effect will depend on the nature of the wave as well as that of the medium.
phase angle of 0 degree
Air is the medium (if you are talking about something travelling through it).
It bends.
It is redirected as it passes through a medium.