28. (a) Eq. 3833 leads to
v
=
∆
λ
λ
c
=
12 nm
513 nm
(
2
.
998
×
10
8
m
/
s
)
=7
.
0
×
10
6
m
/
s
.
(b) The line is shifted to a larger wavelength, which means shorter frequency. Recalling Eq. 3830 and
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics

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