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Light
A form of energy that travels in straight lines and can be seen by the human eye.
Beam of Light
A narrow stream of light that travels in a straight line.
Reflection of Light
The change in direction of light when it hits a surface.
Plane Mirror
A mirror with a flat reflecting surface that produces virtual images.
Concave Mirror
A mirror with a curved inward surface that can form real and virtual images.
Convex Mirror
A mirror with a curved outward surface that always forms virtual images smaller than the object.
Virtual Image
An image that cannot be projected on a screen because it appears to be behind the mirror.
Real Image
An image that can be projected on a screen; it is formed by converging light rays.
Erect Image
An image that appears upright and has the same orientation as the object.
Spherical Mirror
A mirror shaped like a part of a sphere and classified as concave or convex.
Magnifying Glass
A type of convex lens used to make objects appear larger.
Prism
A transparent optical element that refracts light, splitting it into its component colors.
Rainbow
A spectrum of light appearing in the sky, caused by refraction, dispersion, and reflection of sunlight.
Newton’s Disc
A disc divided into segments of different colors that appear white when spun quickly.
