Phys320 – Spring 2004 (Baski)
z
m = 1/2
m =

1/2
h
/2

h
/2
m = 3/2
m =

3/2

3h
/2
/2
Quiz #5:
Atomic Physics
March 31, 2004
Name: ___SOLUTIONS
_____
Complete both of the following problems.
Show all of your work for full credit.
Problem 1:
Angular Momentum
For
j
= 3/2
, find the magnitude of the angular momentum J and the possible J
z
values in terms of h. Draw a vector diagram
showing the orientations of J
with the z axis. How many
distinguishable energy levels exist with and
without an applied external magnetic field (Zeeman effect)?
( 29
( 29
( +1
)
3
2
32+1
3.75 or 1.94
31
,
22
j
z
J
jj
Jm
=
==
=
=
±±
h
hhh
h hh
There is one
energy level without
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This homework help was uploaded on 04/22/2008 for the course PHYS 320 taught by Professor Baski during the Spring '04 term at VCU.
 Spring '04
 Baski
 Physics, Angular Momentum, Momentum, Work

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