Plane mirror, A flat mirror, Object, The light rays come from this to form an image after reflection., Incident ray, A ray of light hitting a surface., Normal, A line at right angle to the surface of the mirror., Angle of incidence, The angle between the incident ray and the normal, Reflected ray, Ray of light bouncing off a mirror, Angle of reflection Angle of reflection, The angle between the reflected ray and the normal, Image, View of the object formed by the reflected light rays, Luminous object, Object that produces its own light, Non-luminous object, Object viewed by light reflecting off it, Ray of light, A narrow beam of light, Path of light, Straight Lines, The speed of light, 300 million metres per second or 300,000,000 m/s, Umbra, A dark shadow formed where no light falls, Penumbra, A light shadow formed where some light falls, but some is blocked., Sharp Shadow, Formed if the light source is very tiny and concentrated in one place (a point source)., A point source, A light source that is very tiny and concentrated in one place, Transparent material, Allows light to travel through them., Opaque material, Does not let light travel through them.

Light Definitions

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