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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.
Examples of like and unlike parallel forces?
COLLISION: "When two or more bodies come close to each other, so that there is some part of interaction among them, with or without the presence of external force, we say tha
Mercury is poured into a U-tube as shown in Figure given below. 100g of water is then poured into the right hand side of the tube. The density of mercury is 13.6g/cm 3 . What heigh
Factors which are affect velocity of sound in gaseous medium is (1) Effect of density (2) Effect of pressure (3) Effect of temperature : (4) Effect of humidity
The discharge over a triangular notch can be written as Q = (8/15) Cd (2g)0.5 tan(θ/2) H5/2 If an error of 1% in measuring H is introduced determine the corresponding error
Question: In estimate the integral one evaluates in applying Ampere's Law one is Answer: The integral in Ampere's Law is a path integral and the path is an imaginary c
Cannon of mass 5m (having a shell of mass m) is at rest on a smooth horizontal ground fires the shell with its barrel at an angle A with the horizontal at a velocity u relative to
Kerr effect (J. Kerr; 1875): The ability of certain substances to refract light waves differently whose vibrations are in distinct directions while the substance is placed wit
Any motion which changes it after regular interval of time is known as periodic or harmonic motion. When the body of a pendulum moves to and fro through a short angle, the bob is k
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