Cell structure and transport

• 1 Kilomerre (km)

  1000 meters (m)
• Calculating the size of an object

  Size of object = size of image x magnification
• 0.000 000 00 merre Cor written

  1 nanometer (nm)
• Light microscopes magnify up to about x2000, and have a resolving power of about 200 pm
• 1 Im

  100 centimeters (cm)
• 1x 10.9 m


  10.9 meters (m)
• 1 μm

  1000 nanometers (nm)
• Electron microscopes magnify up to about x 2000 000, and have a resolving power of around 0.2 nm
• Size of real objects

  The actual size of the object being viewed = size of image x magnification