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Problem
Problem
The
K
α
K_\alpha
K
α
X-rays of aluminium (
Z
=
13
Z = 13
Z
=
13
) and zinc (
Z
=
30
Z = 30
Z
=
30
) have wavelengths 887 pm and 146 pm, respectively. Use Moseley's equation
ν
=
a
(
Z
−
b
)
\sqrt{\nu} = a(Z - b)
ν
=
a
(
Z
−
b
)
to find the wavelength of the
K
α
K_\alpha
K
α
X-ray of iron (
Z
=
26
Z = 26
Z
=
26
).
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