Define linear magnification.

1.	Define linear magnification.
Answer» Linear magnification produced\xa0by a spherical\xa0mirror\xa0is the ratio of the size of the image formed by the\xa0mirror\xa0so that of the size of the object.\xa0⇒\xa0m= I / Owhere, I = Image sizeAnd, O = Object sizeIt\xa0asically tells how big or small an image is when compared to the size of the corresponding object. The size or dimensions are measured as either height or length.

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