Microscope and Magnification

Microscope and Magnification

Multiple Choice

This is the lens closest to your eye. It usually has a magnification of x10

• Eyepiece

• Objective lens

• Stage

• Fine focus

Multiple Choice

There are three lenses of different strengths which can be used to magnify the image more clearly.

• Eyepiece

• objective lens

• stage

• fine focus

Multiple Choice

This is the place where you put a microscope slide. Clips hold the slide in place

• objective lens

• stage

• eyepiece

• mirror

Multiple Choice

Which part controls the amount of light that goes onto the microscope slide.

• Diaphragm

• base

• Arm

• Stage

Multiple Choice

This is used to focus the image so it is very sharp and clear.

• Light

• Coarse Focus Knob

• Diaphragm

• Fine Focus Knob

Multiple Choice

This is very heavy to keep the microscope from falling over

• Light

• Arm

• Base

• Coarse Focus Knob

Multiple Choice

This is used to focus the image so that you can see it clearly.

• Coarse Focus Knob

• Fine Focus Knob

• Objective Lens

• Eyepiece Lens

Multiple Choice

This holds the eyepiece lens above the stage.

• Base

• Arm

• Fine Focus Knob

• Light

Multiple Choice

The light source projects light onto the microscope slide. It can be a mirror or an electric bulb.

• Diaphragm

• Base

• Arm

• Light

Worked example of Magnification

Eyepiece magnification of 5

Objective lens magnification of 10

5 x 10 = 50

microscope has a total magnification of x50

Fill in the Blank

If the eye piece always has a magnification x 10.

What is the total magnification of the red objective lens?

Fill in the Blank

If the eye piece always has a magnification x 10

What is the total magnification of the white lens?

Fill in the Blank

If the eye piece has a magnification of x 5

What is the total magnification of the blue lens?

Fill in the Blank

If the eye piece has a magnification of x 5

What is the total magnification of the yellow lens

Fill in the Blank

An Eyepiece has a magnification of 10

Objective lens has a magnification of 40

What is the total magnification?