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What is the difference among Free Electron Theory and Band Theory of solids?
Free Electron Theory:
This theory says that, metals conduct electricity due to the presence of free electrons in it. The outermost shells of metal atoms will be loosely bound with their nucleus. So the electrons in it are free to move anywhere in the solid.
These electrons are known as free electrons and these electrons are responsible for the conduction of electricity.
in newton''s rings experiment the diameter of the nth and n+14 rings are 3.2mm and 6mm respectively.Radius of curvature of plano convex lens is 1m.Calculate wavelength of light.
how can u call off the potential energy of an object when the world is full of refrences and the world itself is relative? what would be the potential energy for a object lying in
A circuit contains of a 10 volt battery connected in series with a 4 ohm resistor and a 6 ohm resistor. Why is it complete nonsense to say that 4 volts goes through the 4 ohm resis
Do not confuse units and dimensions. We can use dissimilar units to measure the same physical quantity. So, for example, you can calculate the mass in units of kilograms, poun
Properties of light: The wavefronts can be of different shapes depending on the size and shape of light source and the distance from it. Huygens' principle states that every p
What happens if a person travels faster than light in a space shuttle? Ans) Interstellar space travel is manned or unmanned travel among stars. The concept of interstellar trav
INTERFERENCE and DIFFRACTION: INTERFERENCE: The physical effect of super position of waves from two sources vibrating with same frequency and amplitude is called the interfere
At 400.0 K, germanium has 1.13 x 10 15 free electrons/cm 3 . How many free electrons per Ge atom are there at this temperature? At 400.0 K, silicon has 4.54 x 10 12 free
4 dimenestional motion examples
Composition of two simple harmonic motion of the same period along the straight line
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