Answer
$134m $
Work Step by Step
We know that
$ l_2-l_2=\lambda $
We plug in the known values to obtain:
$\lambda=295m-161m=134m $
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 28 - Physical Optics: Interference and Diffraction - Problems and Conceptual Exercises - Page 1003: 3
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