Polonium is an element which adopts a simple cubic structure. It has a density of 9.2 g/cm³ and a relative atomic mass of 209. (i) What is the nearest neighbour distance of atoms? Show your working. (ii) Draw a labelled sketch of the real and reciprocal lattices of polonium.

Q: 1. Consider a particle in its ground (lowest energy) state in a box 10 nm long. What is the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: another sheet of paper if needed.

A: Given: Using the given graph, find the ac and dc values is shown as:

Q: For the system shown below, a) derive the equation of motion using Lagrange's equations assuming…

A: let say kinetic energy T              potential energy V  Lagrange L  Maximum   radius of kT = a…

Q: Prove the following Kronecker-delta identities: a) dij Aj = Aj; b) dikdkj = dij.

A:

Q: 2 [Einstein] conjectured that the infrared characteristic frequencies of a solid might be determined…

A: As per guidelines we are advised to answer only one question so I am answering question 2

Q: 1)Tungsten (W) crystallizes in cubic structure. Side length of the unit cell of this crystal…

A: The expression to determine the structure factor Fhkl is given as follows. Here, ui, vi, and wi…

Q: A silicon diode at room temperature has a cross sectional area of 10µm². It is doped such that: Na =…

A: Solution: The reverse current saturation density ios were given by,…

Q: The figure below shows a circuit that consists of two BJTS. Both transistors Q1 and Q2 are…

A: Transistors are miniature semiconductor devices that regulate current or voltage flow while…

Q: • Draw the Zr ions in fcc packing on the blank unit cell shown below. How many Zr atoms are in this…

A:

Q: Question 1 1.1 Calculate the angle between [111] and [111] directions in a cubic crystal.

A:

Q: b) We know that miller indices characterizing the planes in x-rays experiment, so briefly explain…

A: We know bragg's law: 2dsinθ=nλ where,  n absorbed into the (hkl) Miller Plane.…

Q: In a non-destructive test, for a 100-keV x-ray beam, calculate the fraction of beam intensity…

A:

Q: 2. Prove o, , 01,, 2 0,5 h (i,) where o represents the uncertainty., Ix represents the x-axis…

A:

Q: (a) Show that all reciprocal lattice vectors of the form G= hÃ+kB+IC are perpendicular to the planes…

A:

Q: (b) Show that the distance dki between two consecutive planes (h, k, I) is inversely proportional to…

A:

Q: 4) A hydrogen atom, initially in the ground state (n = 1) absorbs a 12.75 eV photon. Immediately…

A:

Q: Which intermolecular forces do the particles in the image (I– in water) experience? Note that the…

A: Properties of a material like its melting point boiling point is a measure of how strong is the…

Q: Explain what changes would take place in an x-ray diffraction pattern collected from a sample a) if…

A: X-ray diffraction is a technique in which one can measure or get the result of crystallite size or…

Q: Consider 35CI2 molecules. a) Calculate the number of Cl2 molecules (ỹ with v = 3, relative to the…

A: Part (a): The energy of the nth vibrational state is given as follows. The difference in the…

Q: (5) The wave function for a particle is given by: (2) = Ae /L for x2 0, where A and L are constants,…

A: (d) From the normalization of the given wave-function (ψ), the constant (A2) has the value of 2/L.…

Q: T = 311 e -150 t %3D Time (t) [min] (a) Is this relationship a linear, power law, or exponential…

A: 1. From given equation of curve it is clear that,  Temperature is directly proportional to e- 150 t…

Q: The energy of the ground state in the Bohr model is -13.6 eV. In a transition from the n = 2 state…

A: Transition is happening from n=2 to n=4.

Q: 4) (a) The atomic diameter of an atom of nickel is 0.2492 nm. Calculate the lattice constant (the…

A: Atomic diameter of an atom of nickel D = 0.2492 nm = 0.2492 × 10- 9 m The atomic weight of nickel m…

Q: On the diagram above, draw and label a set of energy transitions that show the process of…

A: Fluorescence is the property of some atoms and molecules to absorb light of a particular wavelength…

Q: (c) Find dk1 for: (i) A simple cubic lattice (ii) A orthorhombic lattice (a ± b ± c, ¤ = B = y= t/2)

A:

Q: (c) Find dħk1 for: (i) A simple cubic lattice (ii) A orthorhombic lattice (a # b + c, a = B = y=…

A:

Q: Pulsed lasers have many applications, but are very complicated to construct. One problem is…

A:

Q: An Electron Evaporator. Electron beams are sometimes used to melt and evaporate metals in order to…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: wing equatio - is difficult t m the given o kc D DAB

A: Given Data : The equation attached below is : KcDDAB=0.023μρDAB1/3DVρμ0.8-------(1) The quantities…

Q: what is the numerical uncertainty associated with the value calculated for Q? show your work. thanks

A: For Q=mc∆T, we need to find the numerical uncertainty associated wit the value calculated for Q. The…

Q: 5.Prove that the interplaner spacing dnk in a real crystal lattice is equal to 1/1G|.

A:

Q: Consider a contact between tungsten with work function F =4.55V and n-type silicon doped to N, =10"…

A: We know that Built in potential, Vbuiltin=ϕbarrier-ϕnwhere, ϕn=kTclnNcNd=0.026ln2.8×1019 cm-31016…