If we light a torch then diverging beam of light are produced. But we use concave mirror in the torch to attain parallel beam of light. So what is the connection between this?

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Ajay Rajak

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Concave mirror is use to get focused and long distant parrallel light and this ia an application of concave mirror. As above diagram you can see the passage of parallel light comming out after reflection ,in a critical sense it can be said that law of reflection is the connection between this.
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Concave mirror is use to get focused and long distant parrallel light and this ia an application of concave mirror. As above diagram you can see the passage of parallel light comming out after reflection ,in a critical sense it can be said that law of reflection is the connection between this. read less
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The concave mirror helps the diverging light beams to become parallel and travel a longer distance.
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The source of light in the torch is placed at the focus of the concave mirror which after reflecting produces straight beam of light.
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The source of light in the torch is placed at the focus of the concave mirror which after reflecting produces straight beam of light.
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According to laws of if reflection if we put source on focus it becomes parallel to the line pass through centre of mirror and centre of curvature. It is the concept we use in torch.
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When an object/source of light is places at the focus of concave mirror it reflects and makes the mean of light parallel to the principal axis.
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As distinctive as you !

The concave mirror is also known as a converging mirror. When you light the torch, the bulb acts as a source of light, and it emits light in every direction. But when you apply a concave mirror, it blocks a significant part of light by reflecting it at a particular direction which is usually concentrated...
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The concave mirror is also known as a converging mirror. When you light the torch, the bulb acts as a source of light, and it emits light in every direction. But when you apply a concave mirror, it blocks a significant part of light by reflecting it at a particular direction which is usually concentrated at the centre of the forward beam. Hence we get a parallel beam.Good luck! read less
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Due to diffraction of light.
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It is true, when we light torch diverging beam of light is produced. But the bulb is placed at the focus of concave mirror. In this situation all divergent rays of light are reflected from the concave surface and after reflection they are parallel.
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CHEMISTRY FOR XI,XII, NEET, JEE,FOUNDATION

It is the property of mirror which law and concepts validate. So take it easy and command your concepts.
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