Modern Physics, 3rd Edition
3rd Edition
ISBN: 9780534493394
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Chapter 7, Problem 4Q
To determine
Whether the particle found inside barrier have a negative kinetic energy.
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3. A particle of mass m moves in one dimension in a potential given
by v(s)-c). where 8() is the Dirac delta function. The particle is
bound. Find the value , such that the probability of finding the
particle with l<, is exactly 1/2.
For a particle in a box, what would the probability distribution function Ic I2 look like if the particle behaved like a classical (Newtonian) particle? Do the actual probability distributions approach this classical form when n is very large? Explain.
A 4.90g Particle confined to a box of
length L has a speed of 4.70mm/s
a) lalhat is the classical Kinetic energy of
Particle?
the
b) If the energy of the first excited State
(n=2) is equal to the Kinetic energy found
in part (a), what is the value
Note: Answer must be in mi
L?
of
c) Is the result found in part (b) realistic ?
Explain.
Chapter 7 Solutions
Modern Physics, 3rd Edition
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