How many electrons are there whose energy is bf

Assignment Help Physics
Reference no: EM131320855

1. For a crystal of finite size it Is found that there are 100 allowed electron energy levels at the energy E1 in the conduction band and that the Fermi energy lies at E1, i.e. EF-E1. How many electrons are there whose energy is BF?

2. For a crystal of finite size, it is found that there are 100 allowed electron energy levels at an energy EF Which of the following statements are correct and which are wrong, and why?

(a) Each of the 100 levels is occupied by one electron.

(b) 50 levels are empty and 50 levels are each occupied by two electrons.

(c) The first 50 levels are empty and the last 50 levels are each occupied by two electrons.

(d) The probability that each level is occupied by one electron is 0.5.

(e) 100 states are occupied by one electron each and 100 states are empty.

Reference no: EM131320855

Questions Cloud

Agricultural versus an industrialised country : Examine the underlying differences that can be observed when marketing in an agricultural versus an industrialised country. Using relevant examples to support your argument, discuss the ways in which international firms can address these differen..
Suggest that pretest sensitization had occurred : Explain how you could redesign the experiment to see whether pretest sensitization occurred. (Hint: You will probably use a 3 x 2 factorial design.) What pattern of results would suggest that pretest sensitization had occurred?
Types of value-based pricing methods : 1. Name and describe the two types of value-based pricing methods. 2. Compare direct marketing channels and indirect marketing channels.
Stock values and stock valuation : Burkhardt Corp. pays a constant $14.40 dividend on its stock. The company will maintain this dividend for the next six years and will then cease paying dividends forever. If the required return on this stock is 12 percent, what is the current share p..
How many electrons are there whose energy is bf : For a crystal of finite size it Is found that there are 100 allowed electron energy levels at energy E1 in conduction band and that the Fermi energy lies at E1, i.e. EF-E1. How many electrons are there whose energy is BF?
Purchased then produced and consumed simultaneously : Discuss the implications of the fact the services are purchased then produced and consumed simultaneously.
How it compares to what was being done before : Consider what you have learned in class this semester. Take one of those concepts and apply it to your every day life. This could include something you do at work or in service to the community. Write a 5 page paper that follows the basic outline ..
New-product strategy development stage : Describe in your own words the new-product strategy development stage in the new-product process? What are the main sources of new-product ideas?
Global market entry strategy would be best : 1. If Starbucks wants to enter the Cuban market which global market entry strategy would be best? Why would you choose that particular strategy?

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd