What is the Hall effect?
Q: Interband transitions in metals like Cuper, Aluminium, Silver and Gold. explain
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Q: hvo when hv Elect ron is ejected from surface of metal
A: According to Einstein’s photoelectric equation : hν=ϕ+KEhv=hv0+KE Here, KE is the kinetic energy of…
Q: An electron moving in harmonic motion with a constant voltage of 7.408 × 10³ Find its wavefunction…
A: Wavefunction of harmonic motion is: V(x)= 12mωx2 - infinity to + infinity
Q: In Dirac theory what is the interpretation of “negative energy solution”?
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Q: The frequencies for scries limit of Balmer and Paschen series respectively are 'v,' and 'vz'. If…
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Q: Which of the following opposes the potential barrier? (A)Forward bias (B)Reverse bias (C)Both 1 and…
A: The n-region has more free electrons whereas the p-region has holes in it. The electrons from the…
Q: If 8(r - r') is the Dirac delta function then 8(r— r') = ∞o when: O a.rr' Ocr=r' O d. r #r' The…
A: The Dirac delta function, also known as the impulse function, is a mathematical construct that…
Q: Consider that three electrons are confined to a one- dimensional box of length 10 Å. The lowest…
A: Given: The length of one-dimensional box is 10 Ao or 10×10-10 m. To determine: The lowest energy of…
Q: Is it required for a laser material to have at least three energy levels? If so, why or why not?|
A: LASER- Light Amplification by Stimulated Emission of Radiation.
Q: 2. Example questions The energy levels of the Morse potential (in cm-¹) are given by, 2 = (v + ² ) h…
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Q: JC-60) SWE for 2 Particles Derive an expression for the energy of a two-particle system using the…
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Q: The central-field approximation is more accurate for alkali metals than for transition metals such…
A: Given: The reason of central field approximation of alkali metals is accurate than the transition…
Q: FoO onoatomic chain each mass is m = 4.6x10* kg, and the neighboring coupling is C. Givene velocity…
A: Given data: Magnitude of each mass is m=4.6×10-26 kg. Velocity of sound is v=1×105 cm/s. Lattice…
Q: Quantum solid. In a quantum solid the dominant repulsive energy is the zero- point energy of the…
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Q: Is it required for a laser material to have at least three energy levels? If so, why or why not?
A: Given: Asked whether a laser material require atleast three energy levels.
Q: Q2 Consider a 4 mm × 2 mm x 1 mm sample, situated in a magnetic field 0.2 Wb/m² which superposed on…
A: Let VH be defined as the Hall voltage. Therefore, VH=RHBIt=RHBtneAvd…
Q: Explain the Hall effect?
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Q: Lasers are used to burn and read CDs. Explain why a laser that emits blue light would be capable of…
A: The blue light has shorter wavelength compared to infrared light. The shorter wavelengths can be…
Q: When the band gap is less than 1.8 ?------- eV, all visible light is
A: The minimal energy required to excite an electron locked in its bound state into a free state where…
Q: The frequency of ana electron in a ring of radius R (e- is trapped and oscillated at the centre) is…
A: Radius =R SI unit of radius = meter = m SI unit of frequency = second-1
Q: An electron is confined to a metal cube of l=0.8 cm on each side. Determine the density at…
A: Density of electron at a given energy level is the chance of find an electron at that energy level.…
Q: ark the peaks with arrows of the corresponding vibration bonding structures for Raman Spectrum of…
A: Raman scattering produces scattered photons with a different frequency which is dependent on the…
Q: How many Coulomb terms are contained in the Hamilton operator for the heliu
A: hamiltonian for he atom is Z=2H=p122m+p222m-Ze2r1-Ze2r2+e2|r1→-r2→|where first two are kinetic…
Q: Define tunnel Diode.
A: A tunnel diode is a type of semiconductor diode. The name tunnel diode is due to the quantum…
Q: For laser action, the lasing atom must have at least three energy levels. Why?
A: Electrons in the atoms of the lasing material normally reside in a steady state lower energy level.…
Q: Harmonic oscillator model is widely used in theoretical description of vibrational spectra. Sketch…
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Q: 6. The Aharonov-Bohm effect is strong evidence that the vector potential A and scalar potential Vare…
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Q: Is it necessary for a laser material to have at least three energy levels? If this is the case,…
A: LASER is an acronym for Light Amplification By Stimulated Emission of Radiation.A laser produces a…
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