Microscopes

Question 1

How much magnification is in the ocular lens

Answer 1

10X

Question 2

How much magnification is in the objection lens

Answer 2

4x, 10x, 40x

Question 3

What do the stage clips

Answer 3

Holds the slide in place

Question 4

What does stage do?

Answer 4

Supports the slide being viewed

Question 5

What does the lamp do?

Answer 5

Projects light source through the diaphragm, the stage opening and they eyepiece

Question 6

What does the arm do?

Answer 6

Used to hold the microscope being carried.

Question 7

What does the course adjustment do?

Answer 7

Moves the stage up and down for focusing

Question 8

What does the fine adjustment do?

Answer 8

Moves the stage slightly to focus the image.

Question 9

What does the diaphragm do?

Answer 9

Regulates the amount of light on the specimen

Question 10

What does the base do?

Answer 10

Supports the microscope.

Question 11

Formula for Diameter of an object

Answer 11

Field Diameter/Object fit across #

Question 12

Formula for microscope field view

Answer 12

Field of View = Field Number (FN) ÷ Objective Magnification

Question 13

1 Millimeter = _____ Micrometers (UM)

Answer 13

1000 UM

Question 14

3500 Um = _______ mm

Answer 14

3.5 mm

Question 15

How to make wet mount slide?

Answer 15

In a wet mount, a drop of water is used to suspend the specimen between the slide and cover slip. Place a sample on the slide. Using a pipette, place a drop of water on the specimen. Then place on edge of the cover slip over the sample and carefully lower the cover slip into place using a toothpick or equivalent.

Question 16

Low power magnification/High power magnification= high power field width/low power field width. —————— is the formula for what?

Answer 16

You substitute any of the “powers” as “x” and solve for it.

Question 17

The diaphragm is a ____

Answer 17

Condenser