Question

define linear magnification. does it have any unit?
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Answer 1

Answer:

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Linear magnification is the ratio of the distance between the image and the pole(v) and the object and the pole (u). ... Thus its a ratio in which both the numerator and denominator have same units. Thus linear magnification is unitless.

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Answer 2

hey...

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.

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