Question

In order to produce an image with mannification m a conversation mirror of focus length f is used. If the object is kept at a distance d from the mirror then (m-1)f equalto

Answer 1

Magnification is the process of enlarging the apparent size, not physical size, of something. This enlargement is quantified by a calculated number also called "magnification". When this number is less than one, it refers to a reduction in size, sometimes called minification or de-magnification.