14387 shaares
5333 private links
5333 private links
“How a parabolic reflector works.
Incoming rays (parallel to the axis) are reflected to the focal point and arrive at the same time.
#MathGIF with @geogebra https://t.co/HlUsPKrVhq”
“How a parabolic reflector works.
Incoming rays (parallel to the axis) are reflected to the focal point and arrive at the same time.
#MathGIF with @geogebra https://t.co/HlUsPKrVhq”
