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37. (a) From
f = c
/
λ
and Eq. 3731, we get
00
11
().
β
−−
λ=λ
=λ+∆
λ
++
Dividing both sides by
λ
0
leads to
1
1(
1 )
1
z
−
=+
+
where
0
/
z
λλ
=∆
. We solve for
:
=
+
−
=
+
()
.
2
22
2
2
2
2
z
z
zz
(b) Now
z
= 4.43, so
=
+
=
443
2 443
2
0 934
2
2
..
b
g
b
g
bg
(c) From Eq. 4419,
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 Spring '08
 Any
 Physics

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