Question

Bring out the significance of Transmission Electron Microscope.

Answer 1

This is the most commonly used electron microscope which provides two dimensional image. The components of the microscope are as follows:

1. Electron generating system
2. Electron condensor
3. Specimen objective
4. Tube lens
5. Projector

A beam of electron passes through the specimen to form an image on fluorescent screen. The magnification is 1–3 lakhs times and resolving power is 2–10 Å.