Home > categories > Security & Protection > Fire Hose > questions for dental hygiene students and hygienist?
Question:

questions for dental hygiene students and hygienist?

questions for dental hygiene students and hygienist?

Answer:

Reflection is when an object causes light rays to be reflected back Refraction occurs when waves pass into a dense/less dense material and are bended either towards or away from the normal Defraction occurs when waves pass over a hill or inbetween two islands (sea waves). Eg when a radio wave passes a hill it is defracted into the valley Blue light waves refract best Red light waves defract best

Share to: