Fundamentals Of Physics - Volume 1 Only
Fundamentals Of Physics - Volume 1 Only
11th Edition
ISBN: 9781119306856
Author: Halliday
Publisher: WILEY
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Chapter 39, Problem 15P
To determine

To find

a) Probability of finding an electron in the interval dx=5.0 pm when x=25 pm

b) Probability of finding an electron in the interval dx=5.0 pm when x=50 pm

c) Probability of finding an electron in the interval dx=5.0 pm when x=90 pm

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An electron, trapped in a one-dimensional infinite potential well 250 pm wide, is in its ground state. How much energy must it absorb if it is to jump up to the state with n= 4?
An electron with kinetic energy E = 3.10 eV is incident on a barrier of width L = 0.230 nm and height U = 10.0 eV (a) What is the probability that the electron tunnels through the barrier? (Use 9.11  10-31 kg for the mass of an electron, 1.055 ✕ 10−34 J · s for ℏ, and note that there are 1.60 ✕ 10−19 J per eV.)   b) What is the probability that the electron is reflected?   What If? For what value of U (in eV) would the probability of transmission be exactly 25.0% and 50.0%?   c) 25.0%   d) 50.0%
Consider a potential energy barrierbut whose height Ub is 6.0 eV and whose thickness L is 0.70 nm.What is the energy of an incident electron whose transmissioncoefficient is 0.0010?

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Fundamentals Of Physics - Volume 1 Only

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