تماشای ویدئو Parabolic mirrors and real images Geometric optics Physics Khan Academy از آی-ویدئو
Parabolic Mirrors and Real Images. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/parabolic-mirrors-2?utm_source=YT