What is microscope?

 What is microscope?

Ans- Microscope is a high resolution instrument. Which is used for observing the fine details of very minute (बहुत छोटे) objects. 

Types of of Microscope - 

There are two types of microscope. 

I) Light microscope 

Ii) Electronic microscope 

I) Light or compound microscope :-

➡️It is a simple microscope which is used in school. 

➡️It uses glass lenses. 

➡️It uses a beam of light to illuminate the object. 

➡️In this microscope internal vacuum is not required. 

PARTS OF COMPOUND MICROSCOPE 

i) eye piece 

ii) draw tube

iii) body tube

iv) coarse adjustment 

v) fine adjustment 

vi) arm (limb) 

vii) clip

viii) inclination joint(swivel) 

ix) pillar

x) base

xi) condenser adjustment 

xii) foot

xiii) revolving nose piece 

xiv) objectives 

xv) slide

xvi) stage

xvii) condenser 

xviii) diaphragm 

xix) reflector 

2. Electronics microscope  🔬

➡️It is developed by Knoll and Ruska (Germany) in 1932.

➡️It uses electromagnets. 

➡️It uses a beam of electrons instead of light. 

➡️Internal vacuum is essential. 

➡️Magnification is 10000 to 500000. 

PARTS OF ELECTRONIC MICROSCOPE 

i) Insulator 

ii) Electronic gun

iii) specimen position 

iv) binocular viewer 

v) control panel

vi) photoplate