Explain why, concave mirrors are used as shaving mirrors.

Concave mirrors are used as shaving mirrors because when the face is placed close to a concave mirror (within the focus of the mirror) it produces a magnified and erect image of the face.

Since an enlarged or magnified image of the face can be seen in the concave mirror, it becomes easier to make a smooth shave.

Explanation

When an object is placed between the pole $(P)$ and the focus $(F)$ of a concave mirror, the image formed is virtual, erect, magnified and behind the mirror. 

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Updated on: 10-Oct-2022

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