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Question

The magnification produced by a mirror is -1. What does it mean?


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Solution

Step 1: Given

Magnification produced by a mirror m=-1

Step 2: Answer

Formula: magnification m=heightoftheimageheightoftheobject or DistanceofimagefrommirrorDistanceofobjectfrommirror

The negative sign for magnification implies two things:

  1. The image is inverted
  2. The image is on the other side of the mirror

The magnification magnitude is given as 1 this also implies two things:

  1. The image height is the same as the object.
  2. The distance of the image from the mirror is the same as the distance of the object from the mirror.

Thus, magnification produced by a mirror of -1 means the above-mentioned things.


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