Answered: 5. A region of space has a potential… | bartleby

Related questions

Question

5. A region of space has a potential step such that particles have a wave function given by
2a
За
ei(k1x-Et/h)
V2
5a
e(k2x-Et/h)
V2
ei(-k1x-Et/h) x< 0
V2
(x, t) = -
The incoming particles, initially at x « 0, are initially travelling in the positive x direction.
What fractions of the incoming particles will be reflected and transmitted?

Expert Solution

Step by step

Solved in 4 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A particle is described by a wave function c(x)= Ae-(ax*x), where A and a are real, positive constants. If the value of a is increased, what effect does this have on the particle’s uncertainty in position?Explain.
What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which is similar to that of a beam of 1.00 eV neutrons? (knowing that electron mass is 9.11*10^-31 kg and neutron mass is 1.67*10^-26 kg). What are the specific equations that are being used in this problem?
QUESTION 4 E sin () sin () sin () 3nx 2nz Consider the case of a 3-dimensional particle-in-a-box. Given: Y = 1.5 What is the size of the box along the x-dimension? 2 3 none are correct
B4. A bone sample has a density p = 1.2x10³ kg/m³, a molar mass m = 217 g/mol and an interaction cross section per atom o = 6.0x10-22 cm². Determine the linear attenuation coefficient µ (in cm-¹) and the half value layer (in cm). Assume there is no scattering when the radiation interacts with the bone sample. Express the values to 3 significant figures, if necessary.
A proton is accelerated to a speed of 2.10*10E5ms. If the uncertainty in the measured speed is 5% what is the mimum uncertainty in the position of the proton?
An elementary particle has a very short lifetime, 1.34 x 101 s. What is the minimum uncertainty with which we can measure its energy? Please give your answer in electron Volts.
answer a, b and c... Q34