Microscopes and Magnification

What is the total magnification of a compound microscope with a 10x eyepiece and a 40x objective?

• 100x

• 400x

• 1,000x

• 4,000x

What is the definition of magnification?

• The size of the image

• The size of the object

• The ratio of image size to object size

• The product of both lenses

What is the actual size of a specimen that measures 0.5 mm under the microscope?

• 0.5 μm

• 5 μm

• 50 μm

• 500 μm

What is the magnification of an image with a scale bar length of 32 mm and an actual object scale bar length of 100 μm?

• 32x

• 100x

• 320x

• 1,000x

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x
• 55x
• 65x
• 550x

The maximum magnification of a light microscope is?

• X150

• X1500

• X25000

• X15000

the maximum resolution of a light microscope is ?

• 2 μm

• 20nm

• 200nm

• 20μm

TEM produces electron micrographs that are?

• 3D black and white

• 3D colour

• 2D black and white

• 2D colour

The SEM produced images that are

• 3D colour

• 3D black and white

• 2D colour

• 2D black and white

How many microns (µm)
= 1 mm?

• 1,000
• 1,000,000
• 10,000
• 100,000