Question

what is linear magnification

Answer 1

Magnification, in optics, the size of an image relative to the size of the object creating it. Linear (sometimes called lateral or transverse) magnification refers to the ratio of image length to object length measured in planes that are perpendicular to the optical axis. A negative value of linear magnification denotes an inverted image. Longitudinal magnification denotes the factor by which an image increases in size, as measured along the optical axis. Angular magnification is equal to the ratio of the tangents of the angles subtended by an object and its image when measured from a given point in the instrument, as with magnifiers and binoculars.

Answer 2

magnification produced by a spherical mirror gives the relative extent to which the image of an object is magnified with respect to the object size.it is expressed as the ratio of height of image to the height of object.it is represented by m.




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