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What does concave mean in math?
It means sunken in. If the top of a stone is concave, it can hold rainwater.'Convex' means swollen out. If the top of a stone is convex, water rolls off.
what the difference between concave and convex?
Concave means bending inward, convex means bending outward.Concave . . .- thinnest in the middle- thickest around the edge- holds waterConvex . . .- thinnest around the edge- thickest in the middle- water runs off
Does a mirror reflect without light?
light is needed to reflect an image off a mirror...no light no reflection
How can you deviate light on 180 degree from right angled prism?
Enter the light perpendicular to the hypotenuse of the Prism above or below the center of the hypotenuse. The light will reflect off the two non-hypotenuse sides and reflect back out in the opposite direction, 180 de Save grees.
At what angle does a light ray reflect off a mirror?
It reflects at like 45 degrees I think. No, it reflects off at the same angle it hits the mirror. If the light wave hits the mirror at a 30o angle on the left side, it will reflect off at a 30o angle on the right side. Scientists usually measure these angles from an imaginary line perpendicular to the mirror at the point where the light wave hits the reflecting surface; sounds awkward, but it makes the math easier.
