Biology · Foundation

1/3
Microscope magnificationRunning
Division timeline. Magnification at 828 ×. Image width 41.4 mm, Required width 20 mm. Currently image width is over by 21.4 mm.TUNINGONE CELLDUPLICATESEPARATETWO CELLS828 ×41.4 mm
t = 0.0s

Image width

41.4mm

Required width

20mm

828 ×

Division timeline. Magnification at 828 ×. Image width 41.4 mm, Required width 20 mm. Currently image width is over by 21.4 mm.

What has to balanceM=imageactualM = \frac{\text{image}}{\text{actual}}

What is happening

You arrive at a school microscope being set up for a first look at onion skin.

The class cannot sketch what they cannot see. A cell 0.05 mm across has to appear 20 mm wide in the eyepiece, and the objective in place gives nothing like that.