The Light Microscope

To focus a specimen, it is best to start with which objective:

• high power

• low power

• scanning

• ocular

When using the high power objective, you should not adjust the:

• coarse focus

• fine focus

• diaphragm

• stage clips

On the image, which letter represents the stage?

• A

• B

• AB

• E

The scanning, low, and high power objectives are mounted on the:

• revolving nosepiece

• stage

• body tube

• eyepiece

A microscope has a 4x ocular lens and a 10x objective, what is this microscope's total magnification?

• 4x

• 14x

• 40x

• 400x

Which part is the base?

• C
• L
• B
• A

How should you carry the microscope?

• one-handed
• one hand on the arm, one hand under the base
• both hands under the base
• by the body tube with two hands

What keeps the slide in the correct position?

• stage clips
• the objectives keep it down
• coarse knob
• nothing

You might need to move the slide around to see more objects.

• True
• False

If you are not seeing anything through the eye pieces, it's just dark, you may have....

• a bad microscope it is just broken

• forgot to turn the light source on

• you have gone blind in the last 3 seconds

• you still have your sunglasses on