Question

The magnification produced By a plane mirror is+1.what does this mean?

Answer 1

Answer:

''+" and "-" are used to show whether the image is erect or inverted. And the number represents how may times the image is magnified or diminished.

* "+" means erect image and "-" means inverted image.

* If the magnification number is less than 1, it is diminished image.

* If magnification number is greater than 1, it is magnified image.

* If the magnified image is equal to 1, the image is of the same size as object.

So, in the question, it is given that magnification is +1. By using above statements, we can conclude that this image is erect and is of same size of the object.

Hope you understood.

Thank you. Have a nice day.

Answer 2

The + sign means that the image is erect (not inverted) and the 1 indicates that the image is the same size as the object. (m=h'/h=1)

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