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Byju's Answer
Standard XII
Physics
Matter Waves
Calculate the...
Question
Calculate the de-Broglie wavelength of the electron orbiting in the
n
=
2
states of hydrogen atom.
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Solution
n
=
2
K
.
E
energy of the second state is:
13.6
n
2
=
13.6
4
3.4
×
1.6
×
10
−
19
j
de brogile wavelength
λ
=
h
√
2
m
E
k
6.63
×
10
−
34
√
2
×
9.1
×
10
−
31
×
3.4
×
1.6
×
10
−
19
=
0.67
n
m
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