Topic 1 - Microscopes

Question 1

Features of a Light Microscope.

Answer 1

• Uses a beam of light to form an image
• Can magnify objects up to 2,000 times
• Can be used to view living objects
• Are relatively cheap and easy to carry around

Question 2

Features of an Electron Microscope.

Answer 2

• Uses a beam of electrons to form an image
• Can magnify objects up to 2,000,000 times
• Can’t be used for living objects
• Are very expensive and need to be kept in special conditions.

Question 3

What is the equation for:

magnification, image size and object size?

Answer 3

magnification = image size / object size
image size = magnification x object size
object size = image size / magnification