How do we locate the position of an image in a plane mirror? Show with an
example.
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If the reflecting surface of the mirror is flat then we call this type of mirror as plane mirrors. Light always has regular reflection on plane mirrors. Given picture below shows how we can find the image of a point in plane mirrors.
Example-find the image of the given object.
image of the object is formed behind the mirror with the same distance of object. We draw first point A’ which is the image of point A, we placed it one unit away from the mirror, then points B’ and C’ are placed with the same way. We connect these 3 points and the image of object becomes formed. The dashed line in the left side of the mirror is our image.
Example-find the image of the given object.
image of the object is formed behind the mirror with the same distance of object. We draw first point A’ which is the image of point A, we placed it one unit away from the mirror, then points B’ and C’ are placed with the same way. We connect these 3 points and the image of object becomes formed. The dashed line in the left side of the mirror is our image.
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Explanation:
An image in the mirror is always virtual. The formation of an virtual image is caused by the original object in front of the mirror. The mirror forms the image of the object at the same location inside the mirror where the original object is actually located outside the mirror.
As an example; if you stand in front of a mirror at the distance of 5m from the mirror then the image will form at 5m inside the mirror and the distance of you and the image will be (5+5)=10m.
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