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Q. Illustrate what is dissimilar between secondary electron image and back scattered electron image?
Answer:-
Secondary electron images demonstrate topography of a sample. Back scattered electron images demonstrate difference in composition or more exactly difference in atomic number over a sample.
Explain about the term electron microscope. Electron microscope: An electron microscope is a form of microscope which uses electrons to illuminate a specimen and make an enl
Any rigid body suspended from a fixed support constitutes a physical pendulum. Let Consider the situation when the body is displaced by a small angle Torque on the body about O is
Describe with the help of a labelled diagram the underlying principle and working of a step-up transformer. Why cannot such a device be used to step-up D.C. voltage? Or Dr
Q. (a) A giant refracting telescope at an observatory has an objective lens of focal length 15m. If an eyepiece of focal length 1.0 cm is used, what is the angular magnification o
how to solve kcl
Polystyrene film is extruded flat and free from pin-holes. Film is made from polystyrene granules by extruding heated tube of polymer which is then spread out and stretched state.
What are benefits of fiber-optic sensors for harsh environments? Benefits of fiber-optic sensors for harsh environments are illustrates below: a. Small, contact measurements
(a) Distinguish among metals, insulators and semiconductors on the basis of their energy bands. (b) Why are photodiodes used preferably in reverse bias condition? A photodiode i
what is viscosity?
Length Contraction is Invisible This series of animations describes that the relativistic length contraction is invisible.
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