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What Concave Mirrors Are And Where They Are Used?
Sometimes referred to as converging mirror, the concave mirror is made with a surface bending inwards. As the center of the curve is directed away from any incident light, it results into a reflection that is generally larger than the original focal point.
When it comes to their usage, they are widely used as a converging device because they collect the light that falls into the bowl created by the inwards bulge of the surface. This collection of light causes it to refocus into a single focal length. The light is collected at different angles, since the concave nature of the bulge allows the light rays to make normal contact at differing depths at each point on the surface of the mirror.
The unique refection created by concave mirrors makes them very useful in various applications and devices. One of the most commonly used applications is the production of automobile headlights. By placing the source of light at the center of the mirror reflector, the result is a parallel beam of light that tends to provide excellent visibility during night not only to the driver but the approaching vehicle and other people as ...
... well.
Alike automobile lights, concave mirrors are also used for various other applications such as torch lights, search beams. The construction of the lens allows the production of a parallel beam that can be feasibly directed when the searchlight is swiveled or focused. Supported with relatively easy construction, this kind of mirror helps to keep the cost of the searchlights low while still being one of the most durable components of the device.
Many dentists across the world use concave mirrors to focus light onto the area of the mouth that they are working on. This technique allows them to get a clear view of the area being treated. This type of mirror can be handheld or mounted over the dental chair. Not only professionally, but these mirrors are heavily used for day to day applications like shaving. People use them to get a magnified view of the beard line. Similarly, women use them while applying makeup for its magnifying properties. Even the field of alternative energy benefits from this type of mirror. Solar heating devices often make use of concave mirror panels as a means of gathering solar energy for storage.
These mirrors come in various sizes and shapes depending on the nature of job involved.
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