Biological Magnification

Highest level of biological organisation, is

What is total magnification of three lenses of magnification 2, 3, 4 in contact ?

Mirror formula || Magnification

Magnification positive : Erect image :: Magnification negative : ………….

For a total magnification of 175 from a compound microscope, the magnification produced by objective is 7 . What should be the magnification produced by eye piece ?

Image formation and magnification