microscope

Question 1

a tool used to magnify images

Answer 1

simple hand lenses

Question 2

a more useful tool for greater magnification

Answer 2

microscope

Question 3

the science of investigating small objects and structures using the microscope

Answer 3

microscopy

Question 4

a type of microscope commonly used in classroom work

Answer 4

compound microscope

Question 5

it can magnify up to 1000 times or 2000 times

Answer 5

compound microscope

Question 6

it can magnify more than 600 000 yimes

Answer 6

electron microscope

Question 7

2 parts of a micrscope

Answer 7

optical parts
mechanical parts

Question 8

these consists prinicipally of special types of glasses aligned on an optical axis for enlargement of the image of the object under study

Answer 8

optical parts

Question 9

5 parts of optical parts

Answer 9

ocular or eyepiece
objectives
diaphragm
condenser
mirror

Question 10

a lens found inserted in the draw tube that is use for further magnification of the image ans this is hwere you look at the specimen

Answer 10

ocular or eyepiece

Question 11

it can magnify up to 10 times

Answer 11

ocular of eyepiece

Question 12

these are lenses screwed to the rotating noespiece that serves to form the image of the object within the body tube at a certain magnification

Answer 12

objectives

Question 13

4 kinds of objectives

Answer 13

scanner
low power objective
high power objective
oil immersion objective

Question 14

can magnify the object 4 times

Answer 14

scanner

Question 15

can magnify the object 10 times

Answer 15

low power objective

Question 16

can magnify the object 40 times

Answer 16

high power objective

Question 17

can magnify oobject up to 100 times

Answer 17

oil immersion objective

Question 18

magnifies object up to 100 times and uses oil

Answer 18

oil immersion objective

Question 19

it is adjustable and is located below the stage that regulates the amount of light passing through the central opening of the stage or aperature of the microscope

Answer 19

diaphragm

Question 20

2 forms of diaphragm

Answer 20

iris diaphragm
disc diaphragm

Question 20

it has a lever on the side that moved to open or close the iris forming a circular opening allowing more or less light reaching the object

Answer 20

iris diaphragm

Question 20

a rotating disc fixed under the stage which have five or six holes of different sizes, when ortated varying amounts of light will pass through the stage opening

Answer 20

disc diaphragm

Question 21

this is found beneath teh stage with aknob on the side that move and down to focus the intensity of the light from an illuminator onto the specimen

Answer 21

condenser

Question 22

for non-electric microscope mirror are present that contains concave and flat surfaces to gather and dirct the light to illuminate the object

Answer 22

disc diaphragm

Question 23

this part consists of certain precise parts chiefly of metal to support and adjust teh optical parts

Answer 23

mechanical parts

Question 24

short curved handle use for holding and carrying the microscope

Answer 24

arm

Question 25

upper portion of the body tube where the eyepiece is inserted

Answer 25

draw tube

Question 26

attached to the arm that bears the lenses of the objectives

Answer 26

body tube

Question 27

a structure at the lower end of the body tube that bears the lenses that can rotate to switch between objective lenses

Answer 27

rotating nosepiece

Question 28

a structure above the nosepiece that protects the lenses

Answer 28

dust shield

Question 29

a knob geared to the body tube or to th epillar is use to bring the object into focus

Answer 29

Course adjustment knob

Question 30

is use for focusing finer details of specimen being viewed

Answer 30

fine adjustment knob

Question 31

a platform where the specimen is usually mounted onto a glass slide is placed for observation

Answer 31

stage

Question 32

these are two metal clips that will hold the slide in place

Answer 32

stage clip

Question 33

a central opening in the stage where teh light rays pass through

Answer 33

stage aperture

Question 34

a short supporting piece arising from the base

Answer 34

pillar

Question 35

a heavy Y-shaped foot on which the microscope stand for support

Answer 35

base

Question 36

a juction near the base that allows the microscope to be inclined at a certain angle

Answer 36

inclination joint

Question 37

it is useful for a non-electric micrscope

Answer 37

iinclination joint

Question 38

this is to know the number of times that the image of the drawing is enlarged in length as compared with the actual size of specimen observed

Answer 38

magnification of drawing

Question 39

magnification of drawing formula

Answer 39

size of drawing in mm / actual size of specimen observed in mm

Question 40

total magnification formula

Answer 40

Mt = Me * Mo

Question 41

Me means ----

Answer 41

magnification of eyepiece

Question 42

Mo means----

Answer 42

magnification of objecives in use

Question 43

it is the circular lighted field where you see the image of the object or specimen, it is determined henusing the different objectives

Answer 43

field of vision

Question 44

formula of field of vision

Answer 44

A = pir^2