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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.
Refractive index: The most important optical measurement for any transparent material is its refractive index (n). The refractive index is the ratio of the speed of light (c)
In an experiment of Quink tube source freequence 100 Hz is used to find 2nd maxima to 4th manima movalbe part of tube displaced by 1cm then calculate speed of sound in air
THIN FILM TECHNOLOGIES The various thin technologies currently being developed reduce the amount of light a bsorbing material required in creating a solar cell. This
. Introduction to the topic. Research the topic of cruise control systems in a historical context and identify the complex mechanical and electrical hardware involved in implementi
Q. What do you mean by Ant reflecting Films? When a beam of light travels normally from a medium of refractive index µ 2 to a medium of refractive index µ 1 , a part of light
Briefly explain resonance? Write down the condition of resonance for weak damping?
What is Equatorial and polar diameter? The equatorial diameter. The equatorial diameter of the earth is 7920 miles in length and polar diameter is about 27 miles shorter than the
The relative permeability of a paramagnetic substance is (A) Unity. (B) Slightly more than unity. (C) Zero. (D) less than unity. Ans: The relativ
Number of neutron in C 12 is (1)6 (2)7 (3)8 (4)9 Ans: (1)6
Q. Will a DC motor really produce voltage if it is spun in reverse? Answer:- It will produce voltage if you spin it forwards too. The merely difference between a DC motor
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