S.No
|
|
Optical Microscope
|
Electron Microscope
|
1. |
Principle |
Absorption |
Transmission or diffraction of electron |
2. |
Source |
Incandescent lamp |
Electron gun |
3. |
Lens |
Optical lens made of glass |
Electric and electromagnetic lenses |
4. |
Magnification |
2000 times as that of the size of the object |
1,00,000 times as that of the size of the object |
5. |
Resolution |
Poor |
Good |
6. |
Resolving power |
0.00002 cm |
Upto 1 Å |
7. |
Resultant image |
2-dimensional image |
2-dimensional image |
8. |
Cost |
Low |
High |
9. |
Size |
Compact |
Larger |
10. |
Application |
In Meiosis |
Nano technology, metallurgy materials science microbiology etc., |