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The principal focus of a concave mirror

The principal focus of a concave mirror

The focus of the concave mirror
In a short description, the focus is a point, where the rays of light are merged after reflection on the surface of the concave mirror.
We know the concave mirror is a type of spherical mirror. It has a reflecting surface. It has different properties for its bend inner reflecting surface. So, the focus of a concave mirror is also different. It is an important type of mirror. The focus of the concave mirror gives it importance.

The principal focus of a concave mirror

Before understanding the focus of a concave mirror,  we need to know the uses of a concave mirror in our daily life. Always we are going to learn a topic without any conceptual information. So, most of the time we read a whole chapter but nothing stays in our mind. We need to rework the same topic every time. We need to know the uses and applies in our real life to realize some topics.
When we will know the intentions of our topic. Various questions occur in our minds and make the topic interesting. Then it will be easy to understand the whole topic.

So, we use the same technique for this topic to understand the concept. We will know the uses of concave mirrors in daily life.

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Uses of a concave mirror
There are included most significant uses below here. We hope it will be helpful.

        Shaving or makeup mirror-
A concave mirror is used for shaving. Its curved surface is the cause of its uses. We need an enlarged and upright image of the face for makeup or shaving. When the mirror is held closer to the face, the concave mirror magnifies our face.

     Dentist’s concave mirror-
Dentists use the concave mirror in the dental clinic. dentists can examine accurately the inside of the mouth or teeth. The magnifying property of this mirror is the cause of this use.

The foundation of a microscope uses a concave mirror. The specimen is exposed to external light after passing through the mirror. To keep the area dark, the concave mirror only directs light at the specimen. The mirror can be spun to change its orientation. The specimen is viewed using an eyepiece.

Concave mirrors are also used in observatories. This type of mirror is inbuild in astronomical telescopes.

       Car’s headlights- 
A very common use of Concave mirrors is in car headlights. The concave mirror is used as a reflector to reflect the rays parallel.

      Concave mirror in dish antenna-
A large concave mirror is used in the dish antenna. Because the concave dish focused the magnetic rays on the receiver. As a result, all the signals are captured by the receiver.

  Concave mirror in laser- 
concave mirrors are utilized in lasers that use in medical devices. Small concave lenses are used in these laser devices to enlarge the laser beam. As a result, it helps to access more details about a particular location.

        The concaves mirror in torchlights-
Like headlights, a concave mirror is used in torchlight for the same purpose.

Thank you 



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