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Physics
Physics · optics
Problem
Example 40: For a grating with grating element
(
a
+
b
)
=
18000
A
˚
(a+b)=18000 \AA
(
a
+
b
)
=
18000
A
˚
, calculate the dispersive powers in the first and third order spectra around
λ
=
5000
A
˚
\lambda=5000 \AA
λ
=
5000
A
˚
, assuming normal incidence.
Related theory
optics
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