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What are semiconductors? Give an example for n-type semiconductors.
Semiconductors are materials having electrical conductivity among that of insulators and conductors. This is because, in semiconductors, there is only a small difference in energy among the ?lled valence band of electrons and the empty conduction band. They are the solids which act as insulator at absolute zero but conduct electricity at ordinary temperatures. For instance, N-type semiconductor is obtained by doping Phosphorous or Arsenic on Silicon or Germanium
Why diffraction can't occur if slit width is less than the wavelength of the light? Can you explain?
Q. Dissimilarity between an intrinsic and extrinsic semiconductor? Answer:- Semiconductors permit only a little amount of light to pass through them. They are of two n-kin
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A closed magnetic circuit of cast steel have a 6cm long path of cross-sectional area 1 cm 2 and a 2 cm path of cross-sectional area 0.5cm 2 . A coil of 200 turns is wound arou
tiger woods can hit a golf ball with 55n of force how hard does the ball hit back on the club
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Davisson and Germer scattered electrons from a crystal of nickel. The scattered electrons formed a strong diffraction pattern. What significant conclusion was drawn from thi
Calculation of number of atoms per unit cell The number of atoms per unit cell occurs on the crystal structure and the kind of basic elements (basis or pattern unit or motif) t
Explain Kelvin-Planck statement and Clausius statement Kelvin-Planck statement: "No process is possible whose sole result is the absorption of heat from a reservoir and the t
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