Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

problem 1: Illustrate co-ordination number? Find out the number of nearest neighbors and the nearest neighbor distance for monoatomic sc, bcc and fcc structures. Illustrate that the atomic packing factors for fcc and hcp metals are similar.

problem 2:

a) Derive Bragg’s Law for X-ray diffraction in crystals. describe the principle of Laue’s diffraction method and describe the origin of Laue spots.

b) describe the powder method for X-ray diffraction

problem 3: Describe with appropriate illustrations the ionic, covalent, metallic and molecular binding in solids.

problem 4: Derive the dispersion relation for the frequency of lattice vibrations for linear monoatomic chain. Describe the long wavelength limit.

problem 5: describe the Einstein model of lattice heat capacity. Describe the successes and failures of this model.

problem 6:

a) Describe in detail the free electron model in three dimensions.

b) Describe the Fermi function and sketch Fermi distribution function for various temperatures.

problem 7: Show that the product of electron and hole concentrations in a semi-conductor is constant at a given temperature. How is the energy gap determined from the measurement of electrical conductivity of a semiconductor?

problem 8: prepare note on any two of the given:

a) Structure of diamond and co-ordinates of the atoms in the structure.
b) Experimental determination of elastic constants of solids.
c) Motion of electrons in a periodic potential well.
d) Injection Laser.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M95300

Have any Question? 


Related Questions in Physics

The bay of fundy in canada has the largest tides in the

The Bay of Fundy in Canada has the largest tides in the world. The difference between low and high water levels is 15 meters (nearly 50 feet). At a particular point the depth of the water, y meters, is given as a functio ...

Question 1nbsp the area of the earths surface is

Question 1:  The area of the Earth's surface is approximately 516 X 10 6  km 2 .  What is the weight of the entire atmosphere in tonnes?  Express your answer using scientific notation, in units of 10 12  tonnes. Answer: ...

1 how many silicon atoms are there for the energy band

1. How many silicon atoms are there for the energy band diagram shown in Figure. Is the number of levels in the conduction and valence bands drawn consistently and why? 2. How many energy levels are there in the Ge valen ...

The binding energy of an electron trapped to a sulfur

The binding energy of an electron trapped to a sulfur double donor S +6  in Si was measured by Prof. Sah and his graduate students at Illinois in 1971 using the photo capacitance transient method they invented and found ...

A person on a swing moves so that the chain is horizontal

A person on a swing moves so that the chain is horizontal at the turning points. Show that the centripetal acceleration of the person at the low point of the arc is exactly 2 g, regardless of the length of the chain. Thi ...

The birthday problem may be related to a coding scheme

The birthday problem may be related to a coding scheme. Assume we wish to convey a message to an outsider identifying one of the twenty-four people. We could simply communicate a number s from A S = {1, 2, . . . , 24}, h ...

Calculate a for the isothermal compression of 295 mol of an

Calculate ?A for the isothermal compression of 2.95 mol of an ideal gas at 325 K from an initial volume of 60.0 L to a final volume of 20.5 L. Does it matter whether the path is reversible or irreversible?

A mass-transfer process is used to remove ammonia nh3

A mass-transfer process is used to remove ammonia, NH 3 , solute A, from a mixture of NH 3  and air, using water as the solvent. The partial pressure of ammonia in the bulk gas phase is 0.2 atm, and the mole fraction of ...

The four doors problema new game show uses rules similar to

The four doors problem A new game show uses rules similar to those of the three doors but there are four doors, and the host explains: ‘First you will point to one of the doors, and then I will open one of the other door ...

Design a wilkinson power divider with a power division

Design a Wilkinson power divider with a power division ratio of P3/P2 = 1/3 and a source impedance of 50 Ohm.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro