Structure Factor of the FCC Lattice * HW 2.4 FOURIER ANALYSIS OF THE BASIS Structure Factor of the SC Lattice * HW

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A: If angle of incidence is greater than critical angle then total internal reflection takes place.

Q: Question 1 What is the approximate power output of the Distributed Feedback LASER? O 0.8 mW to 2 mW…

A: The distribution feedback laser used the Bragg reflection ( when the wavelength is comparable to the…

Q: The structure factors yield intensity peaks of the face-centered-cubic and body-centered- * cubic…

A: Here option 'b' is the correct answer.   The intensity peaks of the face-centered- cubic and…

Q: The rotational constant of 1H35CI is 317.8 GHz. W hatis the separation of the lines in its pure…

A: Given, Rotational constant = 317.8GHz  Concept for finding the separation of the line is  a) in GHz…

Q: what the energy of neutron is suitable for crystal diffraction [the atomic spacing between two…

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Q: PROBLEM 2 An electron a What de Brog all wavelength [2 = h/mv; 1 pm %3D = 1.67 x 10-27 k %3D

A: Solution:- 1) De-broglie wavelength associated with a particle, is given by λ = h/mv Here,  λ =…

Q: What is the longest wavelength in the Balmer series (nf = 2)? Remember the Rydberg constant is…

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Q: Evaluate the double integral 3 + 2х + Зу dх dy : y=0 Jx=0 Select one: O 22/3 о 13/3 O 35/2 O 12

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Q: Cu has FCC structure with lattice constant 0.37 nm calculate the inter planar distance spacing for…

A: Given that the Copper(Cu) has a FCC  structure with lattice constant 0.37 nm. We have to Calculate…

Q: The degeneracy of the 4th excited energy level in a 3D particle in a cube box is O 3 0 1 4 02 O 6

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Q: Which (if any) of the following are essential for laser action to occur between two energy levels of…

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Q: An electron in a hydrogen atom is initially in an excited state with principal quantum number n and…

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Q: A finite difference solver uses a 2nd order approximation to the 2nd derivative, as shown below.…

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Q: In an argon laser, find the energy difference between the two levels involved in the production of…

A: Given data: λ=514.5 nm Need to determine the energy difference between two levels involved in the…

Q: Laser light is intense because it has very less number of photons that in phase а. it has very less…

A: Answer ---- (c) it has very large number of photons that are in phase. Because A laser light is…

Q: A beam of protons that all have the same energy scatters from atoms that have a spacing of 0.150 nm…

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Q: Bright-Line Spectra lithium cadmium strontium mixture 750 700 650 600 550 500 450 400 Wavelength…

A: The answer is given below

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: Find the first-order Stark effect for a hydrogen atom in the state n=3

A: Let the electric field strength is ε and the unperturbed Hamiltonian is Ho. The perturbed…

Q: If a metal surface has a work function of 3 eV. Find the largest wavelength of light which will…

A: Given that, Work function (Wo)= 3 eV Or, (Wo)= 3× 1.6 × 10-¹⁹ J Wo= 4.8× 10-¹⁹ J We know that, hc/λ…

Q: The distance (spacing) between the energy levels of a harmonic oscillator is: a. Decreasing with n…

A: The energy of nth level of harmonic oscillator is given by  E= hf(n+1/2) where f is the frequency of…

Q: When x - rays of wavelength of 0.129 nm are incident on the surface of a crystal having a structure…

A: Given that the wavelength of x ray is 0.129 nm, first - order maximum is observed at 8.15°.

Q: The frequency of ana electron in a ring of radius R (e- is trapped and oscillated at the centre) is…

A: Given equation is, f=bR3/2

Q: Nickel has a unit cell corresponding to fcc lattice with a lattice parameter of 0.352 nm. XRD of…

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Q: The minimum uncertainty in the energy state of a atom if an electron remains in the state for about…

A: Given : Uncertainity in time (∆t) = 10-8 s

Q: Calculate the Q factor of a LASER with central wavelength of 450nm and spectral band width of 1.5GHZ…

A: The Q factor (quality factor) relates the maximum energy stored in the circuit to the energy…

Q: If G'is a reciprocal lattice vector, the Bragg's law, can be written as- k. G = 0. O 2k. G + k² = 0…

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Q: Find all possible values of (a) L, (b) Lz , and (c) θ for a hydrogen atom in a 3d state.

A: 3d state for a hydrogen atom is given, it has n = 3 and l = 2.

Q: Calculate the separation (Hz) between two consecutive modes of LASER with cavity length L = 10 cm.…

A: Given Cavity length L=10cmRefractive index=R.I =1

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: A laser can have all these properties except:   a)single color. b)glow in the dark. c)single…

A: The full form of LASER is Light Amplification by stimulated emission of radiation.

Q: When photons shine onto the very thin n-type wafer on top, they penetrate all the way down to the…

A: This  phenomenon is based on energy and charge conservation which have to be followed in all the…

Q: The (200) plane gives rise to a diffraction peak in simple cubic (sc), body-centred cubic (bcc) and…

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Q: ind the wavelength of the Balmer series spectral line corresponding to n = 19. Group of answer…

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Q: The group velocity and the phase velocity both exist in the crystal. How are they related? O a. The…

A: These Waves can be in the arrange and such groups are called wave packets, The velocity with a wave…

Q: what the energy of neutron is suitable for crystal diffraction [the atomic spacing between two…

A: For crystal diffraction the spacing between the atoms should be comparable to the wavelength of the…

Q: Proved that s- sinZ=sinz

A: sin z=sin z

Q: 1. In a cavity laser, a beam could be transmitted through the cell without being distorted by the…

A: laser cavity tends to select specific wavelengths within the normal gain bandwidth of the laser gain…

Q: 5) What is the magnitude Given that U = 10 E = 5 MeX pr of the wave number k in region I or III in…

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Q: If the element in the last problem has energy levels E1 = 2.54 x 10 18 J and E2 = 2.2 x 10-18 J,…

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Q: In designing an experiment, you want a beam of photons and a beam of electrons with the same…

A: (1) it is given that wavelength of the photons and electrons is λ=0.281nm=0.281×10-9m now the…

Q: Chemists use infrared absorption spectra to identify chemicals in a sample. In one sample, a chemist…

A: Given:- The wavelength of the light is λ=5.8 mm= 5.8×10-3 m Find:- a) Find the energy of this…

Q: 2: The half-width of the gain profile of a He-Ne laser material is 2 x 10-3 nm and length of the…

A: From the equation for the wavelength of the mth mode: λm=2Lm Where, L=Length of the cavity  λm= Wave…

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?