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Q. Give one merit of a scanning electron microscope over a transmission electron microscope?
Answer:-
The SEM has turn into more popular than the TEM as it can produce images of high resolution greater clarity and three dimensional qualities and requires less sample preparation.
V-I Characteristics of Constant Current Source A source which has high internal resistance (or impedance) as compared to load resistance (or impedance) i
During some kind of process the pressure of 2 mol of nitrogen gas linearly depends on the volume: p = p 0 + kV here p 0 and k are constants. What are the values fo
Regard as two charged particles. At a given separation each one particle exerts a force of 12 N on the other. What force does every one exert on the other after someone moves the p
which radio isotpo used in skin diease treatment
In a ripple tank two regions A and B can be created by introducing a pile of glass plates in region B. Thus region B is a shallow water region while region A is a deep water re
Hubble constant; H0 (E.P. Hubble; 1925): The constant that determines the relationship among the distance to a galaxy and its velocity of recession because of the expansion of
If the angle of incidence is 60 degrees,then what is the angle of deviation?
what is Friction When we think about friction, there is one more place for energy to go - heat. When you push a book across a table, does the energy of the book change? Not if in
Charles' law (J.A.C. Charles; c. 1787) At constant pressure the volume of ideal gas is proportional to the thermodynamic temperature of that gas.
Can you explain Doppler effect? Find a mathematical expression for the apparent frequency heard when the source is in motion and the listener is at rest and also give limitation of
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