Lab - The Microscope

Question 1

Name the parts of the microscope.

Answer 1

In order: ocular (eyepiece), tube, arm, nosepiece, objectives, slide holder, slide, stage, adjustable diaphragm, coarse adjustment, fine adjustment, illuminator, base

Question 2

What is the smallest magnification on our microscopes? The others?

Answer 2

4x, 10x and 40x.

Question 3

Working distance

Answer 3

The space between the objective and the slide

Question 4

Field of view

Answer 4

the amount of the slide visible at one time

Question 5

Another name for the eyepiece is

Answer 5

Ocular lens

Question 6

The moveable part of the microscope on which objectives are mounted is the

Answer 6

Nosepiece

Question 7

The total magnification of your microscope with the low power objective is locked in place is

Answer 7

40x

Question 8

If you moved the slide with the letter “e” to the right and away from you, the image moved

Answer 8

Left and down

Question 9

Whenever you examine a slide you always begin with the ___ power lens

Answer 9

Lowest

Question 10

At what magnification do you see the largest area from your slide

Answer 10

Smallest

Question 11

Assume that your instructor gave you a 15x ocular that fit your microscope. What would be the total magnification if it were used with third longest objective

Answer 11

420x

Question 12

The diameter of the field of view of your slide is approximately __________ when the 40x objective is in use

Answer 12

.4mm

Question 13

If after a 10x lens is carefully focused, the 40x lens is swung into place and its also in focus with only minor adjustments, the two lenses are considered ____.

Answer 13

Parfocal

Question 14

Which objective should be in place when the microscope is put away for the day?

Answer 14

Lowest.