B1.1:The world of the microscopes

Using units

1km=1000m

1m=100cm

1cm=10mm

1mm=1000um

1um=1000nm

The first light microscopes were developed in the mid-17th century.Light microscopes uses a beam of light to form an image of an object and the best can magnify around 2000 times.The school microscopes only magnify several hundred times and can magnify live specimens.   

Electrons microscopes uses a beam…