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Recent questions tagged solid state physics
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An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV.
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Apr 7, 2019
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Physics
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kratos
jee main 2021
jee
jee main
jee mains
solid state physics
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For a free electron gas in a metal, the number of states per unit volume with energies from E to E + dE is given by
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Apr 4, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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1
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What do you mean by Debye'* temperature ?
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Mar 23, 2019
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Physics
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kratos
thermal properties of matter
class-11
jee
jee mains
solid state physics
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If dialyzer is subjected to an electric field, what will happen?
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Mar 23, 2019
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Physics
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kratos
processes of isolation of elements
jee main 2021
jee main 2020
general principles
jee
jee main
jee mains
solid state physics
class-12
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Using the results of calculate the velocity of electrons at the Fermi level in copper.
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Mar 10, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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Find the drift velocity of electron subjected to an electric field of 20Vm^−1,
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Mar 10, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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In a conductor, if the number of conduction electrons per unit volume is 8.5 x 1028 m ^–3
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Mar 10, 2019
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Physics
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kratos
electric current
jee
resistance
thermodynamics
statistical physics
jee mains
solid state physics
class-12
current electricity
potential difference
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Can you charge an insulator by the method of conduction ?
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Mar 5, 2019
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Physics
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kratos
circuits
class-8
electricity
jee
class-6
electricity and circuits
icse
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magnetism
solid state physics
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In the historical experiment of Davisson and Germer electrons of 54 eV at normal incidence on a crystal showed a peak at reflection angle θr = 40°.
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Mar 1, 2019
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Physics
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kratos
photoelectric effect
cbse
jee
matter waves
dual nature of radiation and matter
jee mains
solid state physics
class-12
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1
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If a superconducting Quantum Interference Device which consists of a 3 mm ring can measure 1/5,000 of a fluxon,
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Feb 27, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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The energy of interaction of two atoms a distance r apart can be written as: E(r) = −a/r + b/r^7 where a and b are constants.
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Feb 15, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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The density of copper is 8.94g/cm^3 and its atomic weight is 63.5 per mole, the effective mass of electron being 1.01.
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Feb 11, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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1
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Consider two thin identical conducting wires covered with very thin insulating material.
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Feb 10, 2019
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Physics
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kratos
metals and nonmetals
magnetic effects of electric current
jee
kvpy
class-10
jee mains
electromagnetism
solid state physics
class-12
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A copper atom consists of copper nucleus surrounded by 29 electrons. The atomic weight of copper is 63.5 g Let us now
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Jan 31, 2019
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Chemistry
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kratos
cbse
class-11
jee
physical chemistry
kvpy
class-9
atomic structure
jee mains
solid state physics
class-12
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If the two atoms are pulled apart, show that they will separate most easily when r = (28b/a)^1/6.
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Jan 17, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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Let the interaction energy between two atoms be given by: E(r) = − A/r^2 + B/r^8
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Jan 13, 2019
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Physics
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kratos
solid state physics
jee
jee mains
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The density of states function for electrons in a metal is given by: Z(E)dE = 13.6 × 10^27E^1/2dE
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Jan 11, 2019
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Physics
by
kratos
solid state physics
jee
jee mains
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1
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The doping concentrations on the p-side and n-side of a silicon diode are 1 x 10^16cm^-3 and 1 x 10^17cm^−3,
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Jan 1, 2019
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Physics
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kratos
semiconductor electronics
neet
circles
jee
aiims
kvpy
class-9
jee mains
solid state physics
class-12
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Aluminum is trivalent with atomic weight 27 and density 2.7 g/cm^3,
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Dec 30, 2018
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Physics
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kratos
solid state physics
jee
jee mains
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An ac current of frequency 1GHz is observed through a Josephson junction. Calculate the applied dc voltage.
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Dec 23, 2018
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Physics
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kratos
solid state physics
jee
jee mains
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