Microscope

Question 1

Body tube

Answer 1

holds the eyepiece at the top
and usually carries a revolving
nosepiece at its lower end

Question 2

Revolving nosepiece

Answer 2

carries the objectives; can be
rotated to bring each of the
objectives to give different
magnifications

Question 3

Objectives

Answer 3

are screwed into the revolving
nosepiece, each has one or
more convex lenses inside

Question 4

Clip

Answer 4

holds the slide in position on

the stage

Question 5

Stage aperture (opening)

Answer 5

allows light to pass through

the slide

Question 6

Iris diaphragm

Answer 6

controls the amount of light passing through the condenser

Question 7

Eyepiece

Answer 7

is mounted on top of the body

tube

Question 8

Coarse adjustment

Answer 8

raises or lowers the body tube

for rough focusing

Question 9

Fine adjustment

Answer 9

raises or lowers the body tube
by a very small amount for
sharp focusing

Question 10

Arm

Question 11

Stage

Answer 11

acts as the platform that

holds a slide

Question 12

Condenser

Answer 12

concentrates light reflected

from the mirror to the specimen

Question 13

Mirror

Answer 13

reflects light to the specimen

Question 14

Base

Question 15

Low Power Magnification (LP)

Answer 15

Magnified, inverted vertically and laterally

Magnification
4-150x

Brightness
Higher

Field of view (area)
Larger

Details of specimen
Less

Use of adjustment knob
Coarse + fine

Question 16

High power magnification (HP)

Answer 16

Magnified, inverted vertically and laterally

Magnification
>150x

Brightness
Lower

Field of view (area)
Smaller

Details of specimen
More

Use of adjustment knob
Fine