Answer
$L = 3.46~\hbar$
Work Step by Step
We can find an expression for the magnitude of $L$ when $l = 3$:
$L = \sqrt{l(l+1)}~~\hbar$
$L = \sqrt{(3)(3+1)}~~\hbar$
$L = \sqrt{12}~~\hbar$
$L = 3.46~\hbar$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 40 - All About Atoms - Problems - Page 1247: 9a
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