74. We apply Eq. 3527 to both scenarios:
m
= 4001 and
n
2
=
n
air
, and
m
= 4000 and
n
2
=
n
vacuum
= 1.00000:
2
4001
4000
L
n
L
==
bg
λ
λ
1.00000
air
and 2
.
Since the 2
L
factor is the same in both cases, we set the right hand sides of these
expressions equal to each other and cancel the wavelength. Finally, we obtain
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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