Question

what do u mean when we say magnification is +1?

and

what do u mean when we say magnification is -1?​

Answer 1

Answer:it's backwards

Explanation:To calculate magnification levels, you need to know:

Size of the monitor you are using

Minimum and maximum field of view (in X direction) on that monitor

Answer 2

${\bold {\large {\underline {\red{\mathcal {Magnification :}}}}}}$

$magnifcation = \frac{hi}{ho}$

when the Magnification ratio will be negative then your eyes had to suffer from myopia.

similarly,

when the Magnification ratio is positive then the eyes had to suffer from hypermetropia.