Answer
$4.98\times10^{74}$
Work Step by Step
The number of allowed orientations of the plane of Earth’s orbit is
$N_{allowed}=2l+1\approx2l$
or, $N_{allowed}=2\times2.49\times10^{74}=4.98\times10^{74}$
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 1251: 76b
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