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Solid states
Solid states
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Answers
1
In a BCC crystal structure, each atom has 8 nearest neighbor atoms.
True
False
2
The absence of an atom in the crystal structure is called a hole.
False
True
3
briefly explain how energy bands are formed.
The split energy levels of atoms brought together form bands of energies.
electrons brought together so that the split energy levels form energies.
atoms are brought together so that the energy levels form energies.
atoms are separated together so that the split energy levels form energies.
4
The shape of the orbital is described by the blank quantum number.
Mi
L
N
Ms
5
For insulators, the value of energy bond gap in ev range is
Eg> 3
Eg< 3
Eg< 1
Eg> 1
6
What is doping?
unlawful use of drugs to enhance or inhibit the performance of an athlete.
Used to vary the number of protons and holes in semiconductors.
Used to vary the number of electrons and holes in semiconductors.
Used to vary the number of electrons and crystals in semiconductors.
7
๐ฟ*๐ฟ=|ฮจ|^2 is the blank of finding an electron/partical in a volume.
Probability
way
best
work
8
Jack Kilby invented the transistor
False
True
9
Name 3 of 7 crystal structure.
Cubic, Tetragonal, octogonal
Cubic, triangular,Hexagonal
Cubic, rectangular,Square
Cubic, Tetragonal,Hexagonal
10
The name of ๐ฟ is the wavenumber.
False
True
11
The Czochralski process is a method of crystal growth used to obtain a single crystal of semicond
False
True
12
Semicond like Si and Ga, have diamond or zinc blende structure.
False
True
13
Blank is a branch of physics that describes the behavior of nature at a small scale
Quantum mechanics
Classical Physics
electromagnetism
Modern Physics
14
A blank semiconductor is formed when a pentavalent (5 Valence electrons) impurity atom is introduced to a pure semicond
c-type
n-type
p-type
m-type
15
The photo electric effect and the double slit experiment showed that electrons and atoms did not obey the classical laws
True
False
16
The name of ๐ฟ is the wavefunction.
True
False
