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- Ans. Mirrors reflect because of the presence of free electrons, which makes mirrors electrically conductive.
www.sciencefacts.net/reflection.html
The ray of light that leaves the mirror is known as the reflected ray (labeled R in the diagram). At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicular to the surface of the mirror. This line is known as a normal line (labeled N in the diagram).
- The Role of Light to Sight
The presence of the light beam cannot be detected as it...
- Specular Vs. Diffuse Reflection
The light ray will then reflect in such a manner that the...
- The Line of Sight
The incident ray intersects the mirror at the same location...
- Lesson 2
A ray diagram is a diagram that traces the path that light...
- Why is an Image Formed
It is the location behind the mirror where all the light...
- The Role of Light to Sight
Dec 28, 2020 · The law of reflection states that the angle of incidence equals the angle of reflection, measured relative to the normal line of a reflective surface. This simple rule describes many phenomena, from the diffuse reflection of the sun on the sea to the crisp reflection of your face in a mirror.
- Terms Used in Reflection
- Specular Reflection
- Diffuse Reflection
Incident Ray:The ray of light that is incident on the interface.Reflected Ray:The ray of light that is reflected from the interface.Normal:The perpendicular to the interface.Angle of Incidence:The angle that the incident ray makes with the normal.In the case of specular reflection, the angle of reflection is equal to the angle of incidence, thus giving a mirror-like reflection.
In the case of diffuse reflection, the incident ray reflects from the interface in all directions. In other words, the angles of reflections are different for each reflected ray.
Since the wavelength of light is less than a micron (a thousandth of a millimeter), it acts like a ray in the many common situations in which it encounters objects larger than a micron. For example, when light encounters anything we can observe with unaided eyes, such as a mirror, it acts like a ray, with only subtle wave characteristics.
A mirror has a smooth surface and reflects light at specific angles. Light is diffused when it reflects from a rough surface. Mirror images can be photographed and videotaped by instruments.
The hatched vertical line on the left represents the plane mirror. The incident ray is the ray of light going towards the mirror. The reflected ray is the ray of light coming away...
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The ray nature of light is used to explain how light reflects off of planar and curved surfaces to produce both real and virtual images; the nature of the images produced by plane mirrors, concave mirrors, and convex mirrors is thoroughly illustrated.
