Answer
$17cm$
Work Step by Step
We can find the required minimum separation as follows:
$y=(\frac{1.22\lambda}{D})L$
We plug in the known values to obtain:
$y=(613\times 10^3m)[\frac{1.22(550\times 10^{-9}m)}{2.4m}]$
$y=0.1713m$
$y=17cm$
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 1007: 59
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