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JEE Advanced 2015 Paper 2 Physics Q8
Physics · Atoms & Spectra
Problem
An electron in an excited state of
L
i
2
+
\mathrm{Li}^{2+}
Li
2
+
ion has angular momentum
3
h
/
(
2
π
)
3h/(2\pi)
3
h
/
(
2
π
)
. The de Broglie wavelength of the electron in this state is
p
π
a
0
p\pi a_0
p
π
a
0
(where
a
0
a_0
a
0
is the Bohr radius). The value of
p
p
p
is
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