An electron with total energy En approaches a barrier of height Ub and thickness L . Calculate the transmission coefficient T. Where the energy En= 25.5 eV, Ub=34.005 eV the width L=75 pm is given . • The speed of the light in space c=299792458 m/sec,• The mass of the proton m, = 938 MeV/c?,• The mass of the electron me = 0.511 MeV/c?,• Planck's constant h = 6.626 x 10 34 J . sn• hc = 1239.84 eV nm,Bohr Magneton = 5.7884µeV/Tesla,4.1357 x 10 15 eV. sec,

When an quantum particle is incident on a potential barrier of finite width with higher than its…

Answered: An electron with total energy En…

An electron with total energy En approaches a barrier of height Ub and thickness L . Calculate the transmission coefficient T. Where the energy En= 25.5 eV, Ub=34.005 eV the width L=75 pm is given .

Related questions

Q: An atom in an excited state stores energy temporarily. If the lifetime of this excited state is…

A: Given The lifetime of excited state ∆t = 1.0×10-10 s

Q: If the position of an electron in a membrane is measured to an accuracy of 3.58 µm, what is the…

Q: Tunneling is important in many electronic applications. Sometimes barrier widths and heights can be…

A: Given that:∆E=1.5 eVd=2 nmTo determine the tunneling probability of an electron.

Q: wo copper nanowires are insulated by a copper oxide nano-layer that provides a 10.0-eV potential…

A: The tunneling probability is given by --(eq-1) Where Vo is barrier potential E is energy of electron…

Q: An electron is located within an interval of 0.187 nm in the north-south direction. What is the…

Q: Suppose that the electron in the figure, having a total energy E of 4.8 eV, approaches a barrier of…

Q: An electron with total energy E = 5.0 eV approaches a rectangular potential energy barrier with U0 =…

A: Given, E= 5 eV U0= 6 eV Probability T=1/1000000

Q: Suppose a beam of 4.60 eV protons strikes a potential energy barrier of height 6.60 eV and thickness…

A: The beam of proton striking the barrier of height 6.60 eV and thickness 0.650 nm, the transmission…

Q: Quantum mechanical tunnelling enables chemical reactions to proceed that would be energetically…

Q: An electron confined in a box of width 0.360nm makes a transition from the n = 1 to n = 4 level by…

A: hcλ=E4-E1=h28mL2n2f-n2iλ=8mL2chn2f-n2i

Q: An electron is bound in a square well of depth Uo = 6E1-Dw. What is the width of the well if its…

A: We know that,1eV=1.6×10-19 Jthen, E1=2.00 eV=2×1.6×10-19 J=3.2×10-19 JWe know that,Ground level…

Q: An electron confined to a box has the ground state energy of 2.4 eV. What is the width of the box…

A: The energy of the electron is 2.4 eV.To find:the width of the unit of the box

Q: A 26.4 eV electron has a 0.239 nm wavelength. If such electrons are passed through a double slit and…

A: Wavelength of the electron λ = 0.239 nm = 0.239×10-9m The angle between the original direction and…

Q: a)What are the energies of the first three energy levels of an electron confined in a…

Q: An electron is trapped in an infi nite square-well potential of width 0.70 nm. If the electron is…

Q: Photoconductivity and speed Consider two p-type Si samples both doped with 1015 B atoms cm−3. Both…

A: Given: Two p type Si samples are doped with 1015 B atoms cm Dimension, Length L = 1 mm Width W =…

Q: An electron is confined to a one-dimensional region in which its ground-state (n = 1) energy is 2.00…

A: A particle in a box is one of the fundamental quantum mechanical approximations which describes the…

Q: Consider a potential energy barrier whose height is 6 eV and whose thickness is 0.7 nm. What is the…

A: Given: Let us consider the given Uh=6 eVL=0.7 nmT=0.0010

Q: A stream of electrons is of energy E is incident on a potential barrier of height U and thickness d.…

Q: The velocity of a 1.0 g projectile is 1.0 x 106 m/s. Calculate the minimum uncertainty in your…

A: Given that,Mass of particle=1g=10-3 kgVelocity of projectile=1.0×10-6 m/sfrom uncertainty…

Q: An electron is bound in a square well of depth U0 = 6E1-IDW. What is the width of the well if its…

A: Given: The ground state energy of the electron E1 = 2 eV.

Q: electron tunnels through the barrier?

Q: An electron is located on a pinpoint having a diameter of 6.11 µm. What is the minimum uncertainty…

Q: A proton is trapped in a one-dimensional box of length L. If the zero-point energy is to be 71.0 eV,…

Q: An atom in an excited state temporarily stores energy. If the lifetime of this excited state is…

A: To determine: The minimum uncertainty in the energy of the atom in the excited state Given: The…

Q: In studying the emission of electrons from metals it is necessary to take into account the fact that…

A: Given:Vx = −Vo , x<0 Region IVx = 0 , x > 0 Region IIEnergy of electron, E > 0…

Q: 3. In a particular semiconductor device, an oxide layer forms a barrier 0.6 nm wide and 9V high…

Q: A horizontal beam of laser light of wavelength is 585 nm passes through a narrow slit that has width…

A: a) the Heisenberg uncertainty principle is, ∆y∆py ≥h4π where ∆y = width of the slit∆py = momentum…

Q: A proton has the wave function (Capital_Psi)(x) = Ae^(-x/L) with total energy equal to one-seventh…

A: GivenA proton has the wave function ψ(x) = Ae−x/L with total energy equal to one-third its potential…

Q: An electron is located on a pinpoint having a diameter of 2.5 um. What is the minimum uncertainty in…

A: From uncertainty principle, the minimum uncertainty in the speed of the electron is given by

Q: Chapter 38, Problem 071 For the arrangement of Figure (a) and Figure (b), electrons in the incident…

Q: Suppose the fractional efficiency of a metal surface with work function 1.42 eV is 1.0 x 10 14: that…

A: The work function of metal surface W = 1.42 eV Fractional efficiency f = 1.0 × 10- 14 Wavelength of…

Q: Solid metals can be modeled as a set of uncoupled harmonic oscillators of the same frequency with…

A: The required solution is following

Q: a. Calculate the minimum uncertainty in the position of an electron in meters, if its velocity has…

A: Required to find the uncertainty in position of an electron.

Q: *24 Figure 39-30 shows a two-dimen- sional, infinite-potential well lying in an xy plane that…

Q: Suppose that the electron in the Figure, having a total energy E of 5.1 eV, approaches a barrier of…

A: Given, total energy of electron is, E=5.1 eV height of potential well is, Ub=6.8 eV Thickness is, L…

Q: The speed of a proton is measured to within an uncertainty of 1 × 103m/s. Calculate the length of…

Q: A NaCl molecule oscillates with a frequency of 1.1 ✕ 1013 Hz. (a)What is the difference in energy in…

A: Given, Frequency = 1.1×10^13 Hz We need to find, (a)What is the difference in energy in eV between…

Q: We are going to use Heisenberg's uncertainty principle to estimate the ground- state energy of…

A: Solution: given that ∆x = 0.0529to find the ∆p

Q: An electron with a kinetic energy of 44.34 eV is incident on a square barrier with Up = 57.43 eV and…

A: Given that electron energy E 44.43 ev potential barrior V 57.43 ev width of barrior a 2.2 nm…

Q: You have an electron confined in a one-dimensional box and measure its 4th-level energy to be 18.10…

Q: What is the ground-state energy of (a) an electron and (b) a proton if each is trapped in a…

A: Given: width of potential well L =273 pm =273*10-12 m

Q: 8. Consider a potential barrier defined by 0 I L U(z)=Uo 0 with Uo= 1.00 eV. An electron with energy…

A: The given barrier height and the given energy of electron The transmission probability for this…

Question

An electron with total energy En approaches a barrier of height Ub and thickness L . Calculate the transmission coefficient T. Where the energy En= 25.5 eV, Ub=34.005 eV the width L=75 pm is given .