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The imaginary line that extends straight out from the center of a reflective surface is the optical axis.
Yes.Yes.Yes.Yes.
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A concave mirror is a spherical mirror with a reflective inside surface. When the reflective surface is made more curved, the distance between the focal point and the surface increases. A concave mirror can form both virtual or real images.
normal lines or normals
The imaginary line that extends straight out from the center of a reflective surface is the optical axis.
The imaginary line that extends straight out from the center of a reflective surface is the optical axis.
The term you are looking for is "normal." The normal is a line that is perpendicular to the surface of a mirror or other reflective object at the point where the incident ray strikes.
focal length..
focal length..
The term you are referring to is the focal length, which is the distance between the surface of a reflective surface (such as a mirror) and the focal point.
The normal to a surface is an imaginary line that is perpendicular to the surface at a specific point. It indicates the direction that is perpendicular to the surface and is used in geometry and physics to determine angles of incidence and reflection.
A mirror reflects light, creating a clear image, while a non-reflective surface absorbs or scatters light, making the image unclear or nonexistent. Mirrors have a smooth surface that bounces light back in a predictable manner, while a non-reflective surface lacks this smoothness and causes light to scatter randomly.
The distance between the surface at the center of a reflective surface and its focal point is equal to half the radius of curvature of the surface.
Since a laser beam is light all moving on the same direction, the path of a laser beam will be a straight line, inless it is redirected by a reflective surface.
A chalkboard has matte surface, which is non-reflective and not shiny.
It has a polished reflective surface.