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41. The magnitude of the fractional energy change for the photon is given by
∆
∆
∆λ
∆λ
∆λ
E
E
hc
hc
ph
ph
==
F
H
G
I
K
J
=−
F
H
G
I
K
J
(/
/
λ)
λ
λ∆
1
λ
λ
1
λλ
+
λ
+
1
β
where
= 0.10. Thus
∆λ
=
λ
/(1 –
). We substitute this expression for
∆λ
in Eq. 3811
and solve for cos
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 Spring '08
 Any
 Physics, Energy, Photon

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